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Luis Marden (born Annibale Luigi Paragallo) (January 25, 1913 – March 3, 2003) was an American photographer, explorer, writer, filmmaker, diver, navigator, and linguist who worked for ''
National Geographic Magazine ''National Geographic'' (formerly the ''National Geographic Magazine'', sometimes branded as NAT GEO) is a popular American monthly magazine published by National Geographic Partners. Known for its photojournalism, it is one of the most widely ...
''. He worked as a photographer and reporter before serving as chief of the ''National Geographic'' foreign editorial staff. He was a pioneer in the use of
color photography Color photography is photography that uses media capable of capturing and reproducing colors. By contrast, black-and-white or gray-monochrome photography records only a single channel of luminance (brightness) and uses media capable only of ...
, both on land and underwater, and also made many discoveries in the world of science. Though he officially retired in 1976, Marden continued to write occasional stories. In total, he wrote more than 60 articles for the magazine.


Background

Born in
Chelsea, Massachusetts Chelsea is a city in Suffolk County, Massachusetts, United States, directly across the Mystic River from the city of Boston. As of the 2020 census, Chelsea had a population of 40,787. With a total area of just 2.46 square miles, Chelsea is the sm ...
, of
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional It ...
heritage, Marden went by the name Louis Paragallo while growing up in nearby Quincy. Marden was introduced to photography at a chemistry class while attending Quincy Senior High School. His interest was intense and lasting. In 1932, at the age of 19, he wrote a book called ''Color Photography with the Miniature Camera'', which may be the first book ever published on 35mm color photography. Marden began his career at the WMEX radio station in Boston, where he had a photography program called Camera Club of the Air. On his station manager's recommendation, he changed his name to Luis Marden, his new
surname In some cultures, a surname, family name, or last name is the portion of one's personal name that indicates one's family, tribe or community. Practices vary by culture. The family name may be placed at either the start of a person's full name, ...
a random selection from a
phone book A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into ele ...
. He then worked as a freelance photographer for ''
The Boston Herald The ''Boston Herald'' is an American daily newspaper whose primary market is Boston, Massachusetts, and its surrounding area. It was founded in 1846 and is one of the oldest daily newspapers in the United States. It has been awarded eight Pulit ...
''. His expertise in color photography subsequently brought him to ''National Geographic'' magazine, where he was officially hired on July 23, 1934. The magazine prided itself on publishing quality color photography, and Marden was making good use of a lightweight Leica, which could hang from a single neck strap. Marden persuaded the magazine to see the benefits of using the small 35mm cameras loaded with the new
Kodachrome Kodachrome is the brand name for a color reversal film introduced by Eastman Kodak in 1935. It was one of the first successful color materials and was used for both cinematography and still photography. For many years Kodachrome was widely used ...
film over the bulky cameras with
tripod A tripod is a portable three-legged frame or stand, used as a platform for supporting the weight and maintaining the stability of some other object. The three-legged (triangular stance) design provides good stability against gravitational loads ...
s and glass plates that were being used by the magazine's photographers at the time. Marden's first assignment as a reporter was in the
Yucatán Peninsula The Yucatán Peninsula (, also , ; es, Península de Yucatán ) is a large peninsula in southeastern Mexico and adjacent portions of Belize and Guatemala. The peninsula extends towards the northeast, separating the Gulf of Mexico to the north ...
. After sailing on a
tramp steamer A boat or ship engaged in the tramp trade is one which does not have a fixed schedule, itinerary nor published Port#Port of call, ports of call, and trades on the spot market as opposed to Freight liner (ship), freight liners. A steamship engaged ...
, Marden explored the peninsula with a
Model T Ford The Ford Model T is an automobile that was produced by Ford Motor Company from October 1, 1908, to May 26, 1927. It is generally regarded as the first affordable automobile, which made car travel available to middle-class Americans. The relat ...
. He then acquired a
mule The mule is a domestic equine hybrid between a donkey and a horse. It is the offspring of a male donkey (a jack) and a female horse (a mare). The horse and the donkey are different species, with different numbers of chromosomes; of the two po ...
. Marden died of complications from
Parkinson's disease Parkinson's disease (PD), or simply Parkinson's, is a long-term degenerative disorder of the central nervous system that mainly affects the motor system. The symptoms usually emerge slowly, and as the disease worsens, non-motor symptoms beco ...
in
Arlington, Virginia Arlington County is a county in the Commonwealth of Virginia. The county is situated in Northern Virginia on the southwestern bank of the Potomac River directly across from the District of Columbia, of which it was once a part. The county is ...
, at the age of 90.


Underwater photography and diving

*In 1941 he dove off
Antigua Antigua ( ), also known as Waladli or Wadadli by the native population, is an island in the Lesser Antilles. It is one of the Leeward Islands in the Caribbean region and the main island of the country of Antigua and Barbuda. Antigua and Barb ...
, where he saw his first coral reef. Marden's knowledge of
Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Can ...
led to his appointment during World War II as ''National Geographic''s "Latin America man," and Marden was sent on assignments throughout
Central America Central America ( es, América Central or ) is a subregion of the Americas. Its boundaries are defined as bordering the United States to the north, Colombia to the south, the Caribbean Sea to the east, and the Pacific Ocean to the west. C ...
, most notably In
Nicaragua Nicaragua (; ), officially the Republic of Nicaragua (), is the largest country in Central America, bordered by Honduras to the north, the Caribbean to the east, Costa Rica to the south, and the Pacific Ocean to the west. Managua is the countr ...
, which he visited for almost an entire month in mid July 1944, then South America, and the
Caribbean The Caribbean (, ) ( es, El Caribe; french: la Caraïbe; ht, Karayib; nl, De Caraïben) is a region of the Americas that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean S ...
. *Deciding he wanted to photograph the riches of the deep, Marden worked with
Jacques Cousteau Jacques-Yves Cousteau, (, also , ; 11 June 191025 June 1997) was a French naval officer, oceanographer, filmmaker and author. He co-invented the first successful Aqua-Lung, open-circuit SCUBA (self-contained underwater breathing apparatus). Th ...
aboard the '' Calypso'' in the mid-1950s. A pioneer of underwater color photography, Marden developed many techniques in this field that are still used today, such as the use of filters and auxiliary lighting in order to enhance color. *Marden and fellow ''National Geographic'' photographer Bates Littlehales suffered
decompression sickness Decompression sickness (abbreviated DCS; also called divers' disease, the bends, aerobullosis, and caisson disease) is a medical condition caused by dissolved gases emerging from solution as bubbles inside the body tissues during decompressi ...
after diving in the Cenote Xlacah, the holy Mayan
well A well is an excavation or structure created in the ground by digging, driving, or drilling to access liquid resources, usually water. The oldest and most common kind of well is a water well, to access groundwater in underground aquifers. Th ...
at Dzibilchaltun in the Yucatán. An attempt to treat Marden with an improvised
recompression chamber A diving chamber is a vessel for human occupation, which may have an entrance that can be sealed to hold an internal pressure significantly higher than ambient pressure, a pressurised gas system to control the internal pressure, and a supply of ...
at a power plant in Mérida failed, and the two men were airlifted to
Panama City, Florida Panama City is a city in and the county seat of Bay County, Florida, United States. Located along U.S. Highway 98 (US 98), it is the largest city between Tallahassee and Pensacola. It is the more populated city of the Panama City–Lynn ...
, where they were successfully treated at the Navy Mine Defense Laboratory. *Marden discovered the remains of Captain Bligh's in January 1957. After spotting a rudder from this ship in a
museum A museum ( ; plural museums or, rarely, musea) is a building or institution that cares for and displays a collection of artifacts and other objects of artistic, cultural, historical, or scientific importance. Many public museums make these ...
on
Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...
, he persuaded his editors to let him dive off
Pitcairn Island Pitcairn Island is the only inhabited island of the Pitcairn Islands, of which many inhabitants are descendants of mutineers of HMS ''Bounty''. Geography The island is of volcanic origin, with a rugged cliff coastline. Unlike many other ...
, where the rudder had been recovered. Despite the warnings of one islander—"Man, you gwen be dead as a hatchet!"—Marden dived for several days in the dangerous swells near the island and found the remains of the fabled ship. He subsequently met with
Marlon Brando Marlon Brando Jr. (April 3, 1924 – July 1, 2004) was an American actor. Considered one of the most influential actors of the 20th century, he received numerous accolades throughout his career, which spanned six decades, including two Academ ...
to counsel him on his role as
Fletcher Christian Fletcher Christian (25 September 1764 – 20 September 1793) was master's mate on board HMS ''Bounty'' during Lieutenant William Bligh's voyage to Tahiti during 1787–1789 for breadfruit plants. In the mutiny on the ''Bounty'', Christian sei ...
in the 1962 film ''
Mutiny on the Bounty The mutiny on the Royal Navy vessel occurred in the South Pacific Ocean on 28 April 1789. Disaffected crewmen, led by acting-Lieutenant Fletcher Christian, seized control of the ship from their captain, Lieutenant William Bligh, and set ...
''. Later in life, when he stuck with his tailored English suits while his colleagues wore more casual attire, Marden also wore cuff links made of nails from the ''Bounty''.
MGM Metro-Goldwyn-Mayer Studios Inc., also known as Metro-Goldwyn-Mayer Pictures and abbreviated as MGM, is an American film, television production, distribution and media company owned by Amazon through MGM Holdings, founded on April 17, 1924 a ...
had a reconstruction of the ''Bounty'' built for their 1962 film, also named '' Bounty''. This vessel was built, of wood, to the original plans, in a traditional manner in a
shipyard A shipyard, also called a dockyard or boatyard, is a place where ships are built and repaired. These can be yachts, military vessels, cruise liners or other cargo or passenger ships. Dockyards are sometimes more associated with maintenance a ...
in
Lunenburg, Nova Scotia Lunenburg is a port town on the South Shore of Nova Scotia, Canada. Founded in 1753, the town was one of the first British attempts to settle Protestants in Nova Scotia. The economy was traditionally based on the offshore fishery and today Lu ...
. However, all the dimensions were increased by approximately one third to accommodate the large cameras in use at that time. *At the island of
Tofua Tofua is a volcanic island in Tonga. Located in the Haʻapai island group, it is a steep-sided composite cone with a summit caldera. It is part of the highly active Kermadec-Tonga subduction zone and its associated volcanic arc, which extends ...
(Bligh spelled it ''Tofoa''), Bligh and 18 loyalists had sought refuge in a cave in order to augment their meager provisions. In the March 1968 issue of the ''
National Geographic Magazine ''National Geographic'' (formerly the ''National Geographic Magazine'', sometimes branded as NAT GEO) is a popular American monthly magazine published by National Geographic Partners. Known for its photojournalism, it is one of the most widely ...
'', Marden claimed to have found this cave as well as the grave of John Norton, a crewman stoned to the death by the Tofuans. Both findings were later disproved by
Bengt Danielsson Bengt Emmerik Danielsson (6 July 1921 – 4 July 1997) was a Swedish anthropologist, writer, and a crew member on the ''Kon-Tiki'' raft expedition from South America to French Polynesia in 1947. In 1991, he was awarded the Right Livelihood Award ...
(who had been a member of the 1947
Kon-Tiki The ''Kon-Tiki'' expedition was a 1947 journey by raft across the Pacific Ocean from South America to the Polynesian islands, led by Norwegian explorer and writer Thor Heyerdahl. The raft was named ''Kon-Tiki'' after the Inca god Viracocha, for ...
expedition) in the June 1985 issue of the ''
Pacific Islands Monthly ''Pacific Islands Monthly'', commonly referred to as "PIM", was a magazine founded in 1930 in Sydney by New Zealand born journalist R.W. Robson. Background ''Pacific Islands Monthly'' was started in Sydney in 1930. The first issue ran in August ...
''. Danielsson identified Bligh's cave as lying on the sheltered northwest coast, where Bligh identified it; Marden's cave lies on the exposed southeast coast. Additionally, Danielsson thought it highly unlikely that the Tofuans would have allotted any grave site to Norton, or that the grave, if allotted, would have been preserved for two centuries. *For the October 1985 story "In Bounty's Wake: Finding the Wreck of the HMS Pandora," Marden dove off the coast of
Cape York Peninsula Cape York Peninsula is a large peninsula located in Far North Queensland, Australia. It is the largest unspoiled wilderness in northern Australia.Mittermeier, R.E. et al. (2002). Wilderness: Earth’s last wild places. Mexico City: Agrupación ...
, Australia, in 1984 to cover the wreck of , the ship sent to capture the ''Bounty'' mutineers. ''Pandora'' had foundered on an Australian reef with manacled prisoners still inside a deckhouse cell.


Marden and the Guanahani debate

In 1986 Marden and his wife Ethel Cox Marden, who was trained as a
mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History O ...
, attempted to replot the route they believed Christopher Columbus must have taken across the Atlantic. Though officially retired, Marden set sail from the Canary Islands to retrace Columbus's voyage to the
New World The term ''New World'' is often used to mean the majority of Earth's Western Hemisphere, specifically the Americas."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: Oxford University Press, p. 3 ...
. The Mardens concluded that Columbus made his first landfall—Columbus's "Guanahani"—at
Samana Cay Samana Cay is a now uninhabited island in the Bahamas believed by some researchers to have been the location of Christopher Columbus's first landfall in the Americas on October 12, 1492. It is an islet in the eastern Bahamas, northeast of Ackl ...
, not at
San Salvador Island San Salvador Island (known as Watling's Island from the 1680s until 1925) is an island and district of The Bahamas. It is widely believed that during Christopher Columbus's first expedition to the New World, this island was the first land he s ...
, also posited as Columbus's landfall, arguing that Columbus had landed much farther south than was initially believed.


Activities as a linguist

As a teenager, Marden had taught himself at least five
language Language is a structured system of communication. The structure of a language is its grammar and the free components are its vocabulary. Languages are the primary means by which humans communicate, and may be conveyed through a variety of met ...
s as well as
Egyptian hieroglyphs Egyptian hieroglyphs (, ) were the formal writing system used in Ancient Egypt, used for writing the Egyptian language. Hieroglyphs combined logographic, syllabic and alphabetic elements, with some 1,000 distinct characters.There were about 1,0 ...
and later studied many others. His office is reported to have had stacks of
dictionaries A dictionary is a listing of lexemes from the lexicon of one or more specific languages, often arranged alphabetically (or by radical and stroke for ideographic languages), which may include information on definitions, usage, etymologies ...
and grammars in different languages, including Tahitian, Fijian,
Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...
,
Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Can ...
, French,
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional It ...
,
Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish ance ...
,
Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walte ...
, Tongan, Turkish, and Māori Marden is cited as an authority in ''
Webster's Third New International Dictionary ''Webster's Third New International Dictionary of the English Language, Unabridged'' (commonly known as ''Webster's Third'', or ''W3'') was published in September 1961. It was edited by Philip Babcock Gove and a team of lexicographers who spent 757 ...
'' for words such as "
snick SNICK (short for Saturday Night Nickelodeon) was a two-hour programming block on the American cable television network Nickelodeon, geared toward older (preteen to teen) audiences, that ran from August 15, 1992 until January 29, 2005. It was ai ...
," " tot," and " sevillana."


Fly-rods and bamboo

Marden was an avid fly-fisherman, which led to his interest in
bamboo Bamboos are a diverse group of evergreen perennial flowering plants making up the subfamily Bambusoideae of the grass family Poaceae. Giant bamboos are the largest members of the grass family. The origin of the word "bamboo" is uncertain, but ...
, of which finer fly rods are made. This love led him to the bamboo groves of China's Kwangtung Province, thereby becoming, in 1974, the first ''National Geographic'' representative since the
Communist Revolution A communist revolution is a proletarian revolution often, but not necessarily, inspired by the ideas of Marxism that aims to replace capitalism with communism. Depending on the type of government, socialism can be used as an intermediate stag ...
of 1949 to return to this country. Marden observed and photographed the cultivation and processing of Tonkin bamboo in its restricted growing area in southern China. This assignment produced the article "Bamboo, The Giant Grass" (1980). "Raw material for implements of peace and war, this botanical cousin to
rice Rice is the seed of the grass species ''Oryza sativa'' (Asian rice) or less commonly ''Oryza glaberrima'' (African rice). The name wild rice is usually used for species of the genera '' Zizania'' and ''Porteresia'', both wild and domesticated, ...
,
corn Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. The ...
, and
Kentucky bluegrass ''Poa pratensis'', commonly known as Kentucky bluegrass (or blue grass), smooth meadow-grass, or common meadow-grass, is a perennial species of grass native to practically all of Europe, North Asia and the mountains of Algeria and Morocco. Altho ...
may be the world's most useful plant," Marden would write. Marden also recounted the under-the-table maneuverings he engaged in for entry to Maoist China. Marden made his own bamboo fishing rods. In 1997, he published his second book, ''The Angler's Bamboo'', which not only describes the cultivation and processing of Tonkin bamboo, but also traces the history of the split-bamboo fishing rod.


Other activities

*Marden worked for NASA for a time, taking innovative photographs of
rocket launch A rocket (from it, rocchetto, , bobbin/spool) is a vehicle that uses jet propulsion to accelerate without using the surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely f ...
es and the activities of the
Project Mercury Project Mercury was the first human spaceflight program of the United States, running from 1958 through 1963. An early highlight of the Space Race, its goal was to put a man into Earth orbit and return him safely, ideally before the Soviet Un ...
astronauts. * He was a founding member of the Sea Research Society and served on its board of advisers. In 1972 he participated in the creation of the research/professional degree of doctor of marine histories. *He also made 11 travelogue films for the Society's lecture series. *In the early 1990s, he flew
ultralight aircraft Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with aile ...
. Marden owned and piloted a Quicksilver MX from Whitman's Strip, a small airport in the Virginia countryside.


Friendships and honors

Marden served as chief of the ''National Geographic'' foreign editorial staff, in which capacity he met and maintained friendships with
King Hussein of Jordan Hussein bin Talal ( ar, الحسين بن طلال, ''Al-Ḥusayn ibn Ṭalāl''; 14 November 1935 – 7 February 1999) was King of Jordan from 11 August 1952 until his death in 1999. As a member of the Hashemite dynasty, the royal family of ...
and the
King of Tonga This is a list of monarchs of Tonga since 1845, after the Constitution of Tonga established the role of the monarch. The first monarch of Tonga was George Tupou I. 2008 cession of powers Three days before his coronation on 1 August 2008, t ...
and was knighted by the
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional It ...
government.


Marden House

Marden and his wife, Ethel Cox Marden, lived in "Fontinalis" (also known as Marden House), a house overlooking the Potomac built by
Frank Lloyd Wright Frank Lloyd Wright (June 8, 1867 – April 9, 1959) was an American architect, designer, writer, and educator. He designed more than 1,000 structures over a creative period of 70 years. Wright played a key role in the architectural movements o ...
between 1952 and 1959. The spot had caught Marden's eye in 1944 when he and his wife and had been fishing for hickory shad (''Alosa mediocris'') along the Potomac, near
Chain Bridge A chain bridge is a historic form of suspension bridge for which chains or eyebars were used instead of wire ropes to carry the bridge deck. A famous example is the Széchenyi Chain Bridge in Budapest. Construction types are, as for other suspen ...
. After purchasing a plot of land, Marden continued the correspondence he had maintained with Wright since 1940, asking the architect to design a home for them. In 1938 Marden had seen a "dream house" in ''
Life Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from that which does not, and is defined by the capacity for growth, reaction to stimuli, metabolism, energy trans ...
'' that Wright had designed for the typical American family. It was not until 1952 that the designs from Wright finally came. The house is a flat-roofed,
cinderblock A concrete masonry unit (CMU) is a standard-size rectangular block used in building construction. CMUs are some of the most versatile building products available because of the wide variety of appearances that can be achieved using them. Tho ...
home trimmed in
mahogany Mahogany is a straight- grained, reddish-brown timber of three tropical hardwood species of the genus ''Swietenia'', indigenous to the AmericasBridgewater, Samuel (2012). ''A Natural History of Belize: Inside the Maya Forest''. Austin: Univ ...
that curves into the side of a hill; it comes to an abrupt point upriver, like the bow of a boat. "Our beautiful house ... stands proudly just under the brow of the hill, looking down always on the rushing water which constantly sings to it, day and night, winter and summer," Ethel wrote to Wright in 1959. After Marden moved to a nursing home in 1998, the house was purchased and refurbished by
Jim Kimsey James Verlin Kimsey (September 15, 1939 – March 1, 2016) was the co-founder of AOL. He was the first chairman of the company and served as CEO until 1995. Although Kimsey is best known for having helped to create AOL, he also spearheaded many o ...
, co-founder of
AOL AOL (stylized as Aol., formerly a company known as AOL Inc. and originally known as America Online) is an American web portal and online service provider based in New York City. It is a brand marketed by the current incarnation of Yahoo! Inc. ...
, in 2000 for $2.5 million.


Discoveries

*Credited with the discovery of the remains of the off the coast of Bounty Bay,
Pitcairn Island Pitcairn Island is the only inhabited island of the Pitcairn Islands, of which many inhabitants are descendants of mutineers of HMS ''Bounty''. Geography The island is of volcanic origin, with a rugged cliff coastline. Unlike many other ...
, in January 1957 *The
National Geographic Society The National Geographic Society (NGS), headquartered in Washington, D.C., United States, is one of the largest non-profit scientific and educational organizations in the world. Founded in 1888, its interests include geography, archaeology, and ...
in Washington holds a specimen of an
Aepyornis ''Aepyornis'' is a genus of aepyornithid, one of three genera of ratite birds endemic to Madagascar until their extinction sometime around 1000 CE. The species ''A. maximus'' weighed up to , and until recently was regarded as the largest known ...
egg that was discovered by Marden in 1967 in
Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
. The specimen is intact and contains an embryonic skeleton of the unborn bird. *Discovered the
orchid Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Along with the Asteraceae, they are one of the two largest families of flowering ...
'' Epistephium mardenii'' in Brazil. Described in Marden's April 1971 article on orchids, "The Exquisite Orchids." The name is actually a synonym for '' Epistephium duckei''. *Discovered a deepwater
lobster Lobsters are a family (Nephropidae, synonym Homaridae) of marine crustaceans. They have long bodies with muscular tails and live in crevices or burrows on the sea floor. Three of their five pairs of legs have claws, including the first pair, ...
parasite deep in the Atlantic that was a new species of
crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...
, later called '' Dolobrotus mardeni'' (
Amphipoda Amphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies. Amphipods range in size from and are mostly detritivores or scavengers. There are more than 9,900 amphipod species so far descri ...
order,
Gammaridea Gammaridea is one of the suborders of the order Amphipoda, comprising small, shrimp-like crustaceans. Until recently, in a traditional classification, it encompassed about 7,275 (92%) of the 7,900 species of amphipods described by then, in appro ...
suborder, Eusiridae family). *His reporting of a
sea anemone Sea anemones are a group of predatory marine invertebrates of the order Actiniaria. Because of their colourful appearance, they are named after the '' Anemone'', a terrestrial flowering plant. Sea anemones are classified in the phylum Cnidaria ...
in the
Red Sea The Red Sea ( ar, البحر الأحمر - بحر القلزم, translit=Modern: al-Baḥr al-ʾAḥmar, Medieval: Baḥr al-Qulzum; or ; Coptic: ⲫⲓⲟⲙ ⲛ̀ϩⲁϩ ''Phiom Enhah'' or ⲫⲓⲟⲙ ⲛ̀ϣⲁⲣⲓ ''Phiom ǹšari''; T ...
flashing different colors became the first published report of submarine or underwater fluorescence.


Named after Marden

* The orchid species '' Epistephium mardenii'' * The sea flea '' Dolobrotus mardeni''


References


External links


National Geographic Magazine Article
* ttp://www.qkw.com/jon/luismarden.htm Luis Marden, Adventurer & Journalistbr>Peter Beers: Luis Marden House
{{DEFAULTSORT:Marden, Luis 1913 births 2003 deaths American explorers American people of Italian descent 20th-century American photographers American underwater divers Neurological disease deaths in Virginia Deaths from Parkinson's disease National Geographic photographers People from Quincy, Massachusetts Underwater photographers National Geographic people