John Piña Craven (October 30, 1924 – February 12, 2015) was an American scientist who was known for his involvement with
Bayesian search theory
Bayesian search theory is the application of Bayesian statistics to the search for lost objects. It has been used several times to find lost sea vessels, for example USS Scorpion (SSN-589), USS ''Scorpion'', and has played a key role in the recover ...
and the recovery of lost objects at sea. He was Chief Scientist of the Special Projects Office of the United States Navy.
Biography
John Piña Craven was born in Brooklyn, New York, in 1924. He held a
Bachelor of Arts
Bachelor of arts (BA or AB; from the Latin ', ', or ') is a bachelor's degree awarded for an undergraduate program in the arts, or, in some cases, other disciplines. A Bachelor of Arts degree course is generally completed in three or four years ...
degree from
Cornell University
Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...
, a
Master of Science
A Master of Science ( la, Magisterii Scientiae; abbreviated MS, M.S., MSc, M.Sc., SM, S.M., ScM or Sc.M.) is a master's degree in the field of science awarded by universities in many countries or a person holding such a degree. In contrast to ...
degree from the
California Institute of Technology
The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasional ...
, a
Ph.D.
A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is a ...
from the
University of Iowa
The University of Iowa (UI, U of I, UIowa, or simply Iowa) is a public university, public research university in Iowa City, Iowa, United States. Founded in 1847, it is the oldest and largest university in the state. The University of Iowa is org ...
George Washington University
, mottoeng = "God is Our Trust"
, established =
, type = Private federally chartered research university
, academic_affiliations =
, endowment = $2.8 billion (2022)
, preside ...
.Craven, John Piña (2001). ''The Silent War: The Cold War Battle Beneath the Sea'',
New York
New York most commonly refers to:
* New York City, the most populous city in the United States, located in the state of New York
* New York (state), a state in the northeastern United States
New York may also refer to:
Film and television
* '' ...
:
Simon & Schuster
Simon & Schuster () is an American publishing company and a subsidiary of Paramount Global. It was founded in New York City on January 2, 1924 by Richard L. Simon and M. Lincoln Schuster. As of 2016, Simon & Schuster was the third largest publ ...
.
He met his wife, Dorothy Drakesmith, while attending the University of Iowa.
Craven had 40 years of experience in the innovation, development, design, construction, and operational deployment of major oceanic systems. As a boy, John Piña Craven studied ocean technology at the
Brooklyn Technical High School
Brooklyn Technical High School, commonly called Brooklyn Tech and administratively designated High School 430, is an elite public high school in New York City that specializes in science, technology, engineering, and mathematics. It is one of th ...
, and he became familiar with the ocean on the beaches of
Long Island
Long Island is a densely populated island in the southeastern region of the U.S. state of New York (state), New York, part of the New York metropolitan area. With over 8 million people, Long Island is the most populous island in the United Sta ...
and the waterfront of New York City.
During
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
, Craven served as an enlisted man on the . In 1944, Craven was selected for the Navy's V-12 program for officer trainees. From this, he earned his commission as an
ensign
An ensign is the national flag flown on a vessel to indicate nationality. The ensign is the largest flag, generally flown at the stern (rear) of the ship while in port. The naval ensign (also known as war ensign), used on warships, may be diffe ...
in the Navy. After earning his Ph.D., Craven worked at the
David Taylor Model Basin
The David Taylor Model Basin (DTMB) is one of the largest ship model basins—test facilities for the development of ship design—in the world. DTMB is a field activity of the Carderock Division of the Naval Surface Warfare Center.
Hist ...
of the
Naval Surface Warfare Center
*
A Naval Surface Warfare Center (NSWC) is part of the Naval Sea Systems Command (NAVSEA) operated by the United States Navy. NAVSEA Warfare Centers supply the technical operations, people, technology, engineering services and products needed t ...
at
Carderock, Maryland
Carderock is a neighborhood located in Montgomery County, Maryland, United States, along the Potomac River. It is located in the southern part of the Potomac census-designated place and western part of the Bethesda postal area.
Carderock is we ...
, working on
nuclear submarine
A nuclear submarine is a submarine powered by a nuclear reactor, but not necessarily nuclear-armed. Nuclear submarines have considerable performance advantages over "conventional" (typically diesel-electric) submarines. Nuclear propulsion, ...
hull designs. He received two civilian service awards in connection with these developments. He was later appointed as the Project Manager for the Navy's Polaris submarine program and the Navy's Special Projects Office. He later became its Chief Scientist. Craven was awarded two Distinguished Civilian Service Awards (the Department of Defense's highest honor for civilians) among other commendations.
While working for the Navy, Craven helped pioneer the use of
Bayesian
Thomas Bayes (/beɪz/; c. 1701 – 1761) was an English statistician, philosopher, and Presbyterian minister.
Bayesian () refers either to a range of concepts and approaches that relate to statistical methods based on Bayes' theorem, or a followe ...
search techniques to locate objects lost at sea (
Bayesian search theory
Bayesian search theory is the application of Bayesian statistics to the search for lost objects. It has been used several times to find lost sea vessels, for example USS Scorpion (SSN-589), USS ''Scorpion'', and has played a key role in the recover ...
). Craven's work was instrumental in the Navy's search for the missing
hydrogen bomb
A thermonuclear weapon, fusion weapon or hydrogen bomb (H bomb) is a second-generation nuclear weapon design. Its greater sophistication affords it vastly greater destructive power than first-generation nuclear bombs, a more compact size, a lowe ...
that had been lost in the
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ea ...
, off the coast of
Spain
, image_flag = Bandera de España.svg
, image_coat = Escudo de España (mazonado).svg
, national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond")
, national_anthem = (English: "Royal March")
, i ...
in
1966
Events January
* January 1 – In a coup, Colonel Jean-Bédel Bokassa takes over as military ruler of the Central African Republic, ousting President David Dacko.
* January 3 – 1966 Upper Voltan coup d'état: President Maurice Yaméogo i ...
. Craven's next large accomplishment was in the search for and locating of the submarine , which had disappeared in deep water in the
Atlantic Ocean
The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...
west of
Portugal
Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...
and Spain.
As Chief Scientist of the Special Projects Office, Craven was in charge of the Deep Submergence Systems Project, which included the
SEALAB
SEALAB I, II, and III were experimental underwater habitats developed by the United States Navy in the 1960s to prove the viability of saturation diving and humans living in isolation for extended periods of time. The knowledge gained from the ...
program. In February 1969, when
aquanaut
An aquanaut is any person who remains underwater, breathing at the ambient pressure for long enough for the concentration of the inert components of the breathing gas dissolved in the body tissues to reach equilibrium, in a state known as satura ...
Berry L. Cannon
Berry Louis Cannon (March 22, 1935 – February 17, 1969) was an American aquanaut who served on the SEALAB II and III projects of the U.S. Navy. Cannon died of carbon dioxide poisoning while attempting to repair SEALAB III. It was later found ...
died while attempting to repair a leak in SEALAB III, Craven headed an advisory group that determined the best method of salvaging the SEALAB
habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
.
After leaving the Navy, Craven became the Marine Affairs Coordinator for the State of
Hawaii
Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
and also the Dean of marine programs at the
University of Hawaii
A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, th ...
. During his time in Hawaii, it has been alleged that Craven was involved in the development and operation of the secretive salvage ship ''
Glomar Explorer
''GSF Explorer'', formerly USNS ''Hughes Glomar Explorer'' (T-AG-193), was a deep-sea drillship platform built for Project Azorian, the secret 1974 effort by the United States Central Intelligence Agency's Special Activities Division to recover ...
'', built to follow up on the discovery of a sunken Soviet submarine, the ''
K-129
''K-129'' (Russian: К–129) was a Project 629A (Russian: проект 629А ''Projekt 629A'', NATO reporting name Golf II–class) diesel-electric- powered ballistic-missile submarine that served in the Pacific Fleet of the Soviet Navy ...
'', by other of Craven's projects, the nuclear-powered spy submarine ''Halibut''.
Craven also served on the U.S. government's Weather Modification Commission during the
Carter Administration
Jimmy Carter's tenure as the 39th president of the United States began with his inauguration on January 20, 1977, and ended on January 20, 1981. A Democrat from Georgia, Carter took office after defeating incumbent Republican President ...
. During that time, a hypothetical method was developed to significantly reduce the impact of
tropical cyclone
A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depend ...
s. In 1976, after losing in his campaign to become a member of the
United States House of Representatives
The United States House of Representatives, often referred to as the House of Representatives, the U.S. House, or simply the House, is the Lower house, lower chamber of the United States Congress, with the United States Senate, Senate being ...
, Craven was appointed as the Director of the Law of the Sea Institute. In 2001, he was the president of the Common Heritage Corporation.
After earning his law degree through an evening program, Craven was responsible for directing the International Law of the Sea Institute. In 1990 he established the Common Heritage Corporation for innovation management to benefit the
common heritage of mankind
Common heritage of humanity (also termed the common heritage of mankind, common heritage of humankind or common heritage principle) is a principle of international law that holds the defined territorial areas and elements of humanity's common heri ...
. Craven was a member of the
National Academy of Engineering
The National Academy of Engineering (NAE) is an American nonprofit, non-governmental organization. The National Academy of Engineering is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy ...
.
According to the magazine ''Wired'', Craven's latest undertaking was to link islands in the
Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
with sustainable energy, agriculture, and freshwater through the use of
Deep Ocean Water
Deep ocean water (DOW) is the name for cold, salty water found deep below the surface of Earth's oceans. Ocean water differs in temperature and salinity. Warm surface water is generally saltier than the cooler deep or polar waters; in polar regio ...
pumped up using pipes from offshore. He was developing a new and innovative cold water therapy, which may produce significant health breakthroughs and slow the aging process.
Craven wrote the book, ''The Silent War: The Cold War Battle Beneath the Sea''.
John Piña Craven's daughter, Sarah Craven, is a prominent international advocate of women's rights.
John Piña Craven resided in
Honolulu, Hawaii
Honolulu (; ) is the capital and largest city of the U.S. state of Hawaii, which is in the Pacific Ocean. It is an unincorporated county seat of the consolidated City and County of Honolulu, situated along the southeast coast of the island o ...
for many years. In 1994, he ran against long-term Honolulu mayor
Frank Fasi
Frank Francis Fasi (August 27, 1920 – February 3, 2010) was an American politician who was the longest-serving Mayor of Honolulu, Hawaii, serving for 22 years. He also served as a territorial senator and member of the Honolulu City Council. ...
for the nomination of the new Best Party for governor; Fasi won the nomination but came in second in the general election.
In 1998, he received the first Distinguished Civilian Service Award by the Naval Submarine League for his work on ''Scorpion'', ''Polaris'', and other projects.
Craven died in Honolulu on February 12, 2015, at the age of 90, 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 becom ...
.
Notes
References
* Sherry Sontag, '' Blind Man's Bluff: The Untold Story of American Submarine Espionage'' (New York: Public Affairs, 1998), . Craven is mentioned frequently in this nonfiction book on American submarine-based espionage.
* Roger C. Dunham, ''Spy Sub - Top Secret Mission To The Bottom Of The Pacific'' (New York:
Penguin Books
Penguin Books is a British publishing, publishing house. It was co-founded in 1935 by Allen Lane with his brothers Richard and John, as a line of the publishers The Bodley Head, only becoming a separate company the following year.
Further reading
*''All hands down'' by Kenneth Sewell and Jerome Preisler, Pocket Star, 2009.