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Dr. John Alexander Low Waddell (January 15, 1854 – March 3, 1938, often shortened to J.A.L. Waddell and sometimes known as John Alexander Waddell) was a Canadian-American
civil engineer A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructure while protecting the public and environmental health, as well as improving existing ...
and prolific
bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...
designer, with more than a thousand structures to his credit in the United States, Canada, as well as
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,
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,
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
,
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
, and
New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
. Waddell’s work set standards for elevated railroad systems and helped develop materials suitable for large span bridges. His most important contribution was the development of the
steam-powered A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be tra ...
high-lift bridge. Waddell was a widely respected writer on bridge design and engineering theory, as well as an advocate for quality in higher education engineering programs. The company he founded in 1887, 'J.A.L. Waddell, Consulting Engineer,' would eventually become the modern day
Hardesty & Hanover Hardesty & Hanover is an American infrastructure engineering company specializing in the design and management of bridges and other transportation and architecture projects. The firm was founded in 1887 by John Alexander Low Waddell, a structu ...
, a leading moveable bridge engineering firm. Many of Waddell's surviving bridges are now considered historic landmarks.


Early life and education

John Alexander Low Waddell was born on January 15, 1854, in
Port Hope, Ontario Port Hope is a municipality in Southern Ontario, Canada, approximately east of Toronto and about west of Kingston. It is located at the mouth of the Ganaraska River on the north shore of Lake Ontario, in the west end of Northumberland County. ...
, Canada, to Robert Waddell (b. 1815) and Angeline E. Jones. His mother was the daughter of William Jones, late colonel of the 27th regiment and sheriff of the city of New York and a member of the State legislature in 1844. Waddell was the oldest child of eight. Homeschooled to nine years of age, Waddell was reportedly in poor health throughout his youth. He later attended
Trinity College School Trinity College School (TCS) is a co-educational, independent boarding and day school located in Port Hope, Ontario, Canada. TCS was founded on May 1, 1865, more than two years before Canadian Confederation. It includes a Senior School ...
in Port Hope until turning sixteen, when his parents sent him on a ten-month voyage to
Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China ( abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delt ...
and
Shanghai Shanghai (; , , Standard Mandarin pronunciation: ) is one of the four direct-administered municipalities of the People's Republic of China (PRC). The city is located on the southern estuary of the Yangtze River, with the Huangpu River flow ...
on the clipper ship N.B. Palmer. In 1875, Waddell obtained his first degree, in civil engineering, from
Rensselaer Polytechnic Institute Rensselaer Polytechnic Institute () (RPI) is a private research university in Troy, New York, with an additional campus in Hartford, Connecticut. A third campus in Groton, Connecticut closed in 2018. RPI was established in 1824 by Stephen Van ...
in
Troy, New York Troy is a city in the U.S. state of New York and the county seat of Rensselaer County. The city is located on the western edge of Rensselaer County and on the eastern bank of the Hudson River. Troy has close ties to the nearby cities of Albany a ...
. In 1882 he married Ava Everett of
Council Bluffs, Iowa Council Bluffs is a city in and the county seat of Pottawattamie County, Iowa, Pottawattamie County, Iowa, United States. The city is the most populous in Southwest Iowa, and is the third largest and a primary city of the Omaha–Council Bluffs ...
, the daughter of prominent lawyer Horace Everett. In 1904 he earned a
Doctorate A doctorate (from Latin ''docere'', "to teach"), doctor's degree (from Latin ''doctor'', "teacher"), or doctoral degree is an academic degree awarded by universities and some other educational institutions, derived from the ancient formalism ''l ...
of Science (D.Sc) from
McGill University McGill University (french: link=no, Université McGill) is an English-language public research university located in Montreal, Quebec, Canada. Founded in 1821 by royal charter granted by King George IV,Frost, Stanley Brice. ''McGill Universit ...
.


Career

Waddell began his career by returning to his homeland as a draftsman in Canada's
Department of Marine and Fisheries Fisheries and Oceans Canada (DFO; french: Pêches et Océans Canada, MPO), is a department of the Government of Canada that is responsible for developing and implementing policies and programs in support of Canada's economic, ecological and sci ...
in
Ottawa Ottawa (, ; Canadian French: ) is the capital city of Canada. It is located at the confluence of the Ottawa River and the Rideau River in the southern portion of the province of Ontario. Ottawa borders Gatineau, Quebec, and forms the core ...
, where he spent a few months designing buoys, lanterns, and similar marine appliances. His next position came as a 'rodman' (surveyor's assistant) on the
Canadian Pacific Railway The Canadian Pacific Railway (french: Chemin de fer Canadien Pacifique) , also known simply as CPR or Canadian Pacific and formerly as CP Rail (1968–1996), is a Canadian Class I railway incorporated in 1881. The railway is owned by Canadi ...
. He returned to the United States where he designed mines for a
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the Bur ...
coal company. In 1878, he returned to Rensselaer and taught mechanics courses until 1880. Waddell then traveled west, obtaining additional degrees from
McGill University McGill University (french: link=no, Université McGill) is an English-language public research university located in Montreal, Quebec, Canada. Founded in 1821 by royal charter granted by King George IV,Frost, Stanley Brice. ''McGill Universit ...
in
Montreal Montreal ( ; officially Montréal, ) is the List of the largest municipalities in Canada by population, second-most populous city in Canada and List of towns in Quebec, most populous city in the Provinces and territories of Canada, Canadian ...
, Quebec, and spending some time working at the Raymond & Campbell firm in
Council Bluffs, Iowa Council Bluffs is a city in and the county seat of Pottawattamie County, Iowa, Pottawattamie County, Iowa, United States. The city is the most populous in Southwest Iowa, and is the third largest and a primary city of the Omaha–Council Bluffs ...
. In July 1882, he was hired as a foreign advisor by the
Meiji government The was the government that was formed by politicians of the Satsuma Domain and Chōshū Domain in the 1860s. The Meiji government was the early government of the Empire of Japan. Politicians of the Meiji government were known as the Meiji o ...
of the
Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent fo ...
and taught at the
Tokyo Imperial University , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...
while writing two books. That same year, he was also awarded an honorary
Bachelor's A bachelor's degree (from Middle Latin ''baccalaureus'') or baccalaureate (from Modern Latin ''baccalaureatus'') is an undergraduate academic degree awarded by colleges and universities upon completion of a course of study lasting three to six ye ...
and
Master's A master's degree (from Latin ) is an academic degree awarded by universities or colleges upon completion of a course of study demonstrating mastery or a high-order overview of a specific field of study or area of professional practice.
of Science each by
McGill University McGill University (french: link=no, Université McGill) is an English-language public research university located in Montreal, Quebec, Canada. Founded in 1821 by royal charter granted by King George IV,Frost, Stanley Brice. ''McGill Universit ...
.


Private practice

Waddell returned to the United States in 1886, and one year later established a private engineering practice in
Kansas City, Missouri Kansas City (abbreviated KC or KCMO) is the largest city in Missouri by population and area. As of the 2020 census, the city had a population of 508,090 in 2020, making it the 36th most-populous city in the United States. It is the central ...
as J.A.L. Waddell, Consulting Engineer. The firm would later evolve over the decades with various junior partners, including Ira G. Hedrick in 1899, John L. Harrington in 1907, Waddell's own son Needham Everett in 1915, and Shortridge Hardesty in 1927. After Waddell's death, the company became, and continues today as,
Hardesty & Hanover Hardesty & Hanover is an American infrastructure engineering company specializing in the design and management of bridges and other transportation and architecture projects. The firm was founded in 1887 by John Alexander Low Waddell, a structu ...
. The company enjoyed great success with railroad clients in particular during its early years; in addition to the wide adoption of Waddell's "A" truss design along the
St. Louis Southwestern Railway The St. Louis Southwestern Railway Company , known by its nickname of "The Cotton Belt Route" or simply "Cotton Belt", is a former Class I railroad that operated between St. Louis, Missouri, and various points in the U.S. states of Arkansas, Ten ...
and
Nippon Railway was the first private railway company in the history of Japan. The company built trunk lines connecting Tokyo with the Tōhoku region to the northeast. Most of its lines came under the control of Japanese Government Railways following nationaliza ...
, one 1906 newspaper article from
Brownsville, Texas Brownsville () is a city in Cameron County in the U.S. state of Texas. It is on the western Gulf Coast in South Texas, adjacent to the border with Matamoros, Mexico. The city covers , and has a population of 186,738 as of the 2020 census. It ...
reported that Dr. Waddell had been responsible for all the bridges on the
International–Great Northern Railroad The International – Great Northern Railroad (I&GN) was a railroad that operated in the U.S. state of Texas. It was created on September 30, 1873, when the International Railroad and the Houston and Great Northern Railroad merged. The railr ...
. Midway through his consulting career, Waddell opened a
New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...
office, which soon became the firm's headquarters in 1920 amidst the economic boom of the
Roaring Twenties The Roaring Twenties, sometimes stylized as Roaring '20s, refers to the 1920s decade in music and fashion, as it happened in Western society and Western culture. It was a period of economic prosperity with a distinctive cultural edge in the U ...
. Many of metropolitan area's most important postwar infrastructure projects were awarded to the company, including the
Goethals Bridge The Goethals Bridge () is the name of a pair of cable-stayed bridge spans connecting Elizabeth, New Jersey, to Staten Island, New York, in the United States. The spans cross a strait known as Arthur Kill, and replaced a cantilever bridge span bu ...
and
Marine Parkway–Gil Hodges Memorial Bridge The Marine Parkway–Gil Hodges Memorial Bridge (originally and often referred to as the Marine Parkway Bridge) is a vertical-lift bridge in New York City, New York, that crosses Rockaway Inlet. The bridge, which opened on July 3, 1937, con ...
. Waddell was also an adviser to the Ministry of Railways,
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
. When in China he along with Meloy was entrusted by
MIT The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the m ...
and
Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...
to talk over with
National Southeastern University Nanjing University (NJU; ) is a national public research university in Nanjing, Jiangsu. It is a member of C9 League and a Class A Double First Class University designated by the Chinese central government. NJU has two main campuses: the Xianli ...
(later renamed
National Central University National Central University (NCU, ; Pha̍k-fa-sṳ: ''Kwet-li̍p Chung-yong Thài-ho̍k'', Wade–Giles: ''Kuo2 Li4 Chung Yang Ta4 Hsüeh2'' or ''中大'', ''Chung-ta'') is a public research university with long-standing traditions based in Taiwa ...
and then
Nanking University Nanjing University (NJU; ) is a national public research university in Nanjing, Jiangsu. It is a member of C9 League and a Class A Double First Class University designated by the Chinese central government. NJU has two main campuses: the Xianli ...
) and reached the agreement on founding Sino-American joint engineering college in
Shanghai Shanghai (; , , Standard Mandarin pronunciation: ) is one of the four direct-administered municipalities of the People's Republic of China (PRC). The city is located on the southern estuary of the Yangtze River, with the Huangpu River flow ...
, but it soon ceased due to the wars outbroken in the area. He was widely recognised, being awarded honours by Japan, Russia, China, and Italy, holding five honorary doctorates (including those from Japan, Canada, and Puerto Rico) and being elected an Honorary Member of the
American Society of Civil Engineers American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...
in 1936.


Notable works


Truss bridge

One of Waddell's earliest contributions to the field of
civil engineering Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewage ...
was the "A" Truss bridge. Patented in 1893, the cost-effective design allowed for cheap and rapid construction, and could easily carry the heavy loads generated by
steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the locomot ...
-powered trains. Replicated throughout the
Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent fo ...
and the American West and Midwest, this basic design contributed to the rapid expansion of several
railway companies This is an incomplete list of the world's railway operating companies listed alphabetically by continent and country. This list includes companies operating both now and in the past. In some countries, the railway operating bodies are not compani ...
during the
Second Industrial Revolution The Second Industrial Revolution, also known as the Technological Revolution, was a phase of rapid scientific discovery, standardization, mass production and industrialization from the late 19th century into the early 20th century. The Firs ...
.


Vertical-lift bridge

Lifting and swinging bridges had been used for generations, but not on the scale that they exist today. Waddell was the first to invent a modern design, originally intended to span a short channel across
Minnesota Point Minnesota Point, also known as the Park Point neighborhood of Duluth, Minnesota, United States; is a long, narrow sand spit that extends out from the Canal Park tourist recreation-oriented district of the city of Duluth. The Point separates La ...
in the harbor of
Duluth, Minnesota , settlement_type = City , nicknames = Twin Ports (with Superior), Zenith City , motto = , image_skyline = , image_caption = Clockwise from top: urban Duluth skyline; Minnesota ...
. His design won a city contest in 1892, but the
War Department War Department may refer to: * War Department (United Kingdom) * United States Department of War (1789–1947) See also * War Office, a former department of the British Government * Ministry of defence * Ministry of War * Ministry of Defence * Dep ...
objected to the proposal. The city built an aerial transporter bridge in that location in 1905. In 1929, it was remodeled into the
Aerial Lift Bridge The Aerial Lift Bridge, earlier known as the Aerial Bridge or Aerial Ferry Bridge, is a landmark in the port city of Duluth, Minnesota. The span began life in 1905 as the United States' first transporter bridge: Only one other was ever constructe ...
, similar to Waddell's design. Waddell adapted his vertical-lift concept in 1893 and it was finally built as the South Halsted Street Lift-Bridge over the
Chicago River The Chicago River is a system of rivers and canals with a combined length of that runs through the city of Chicago, including its center (the Chicago Loop). Though not especially long, the river is notable because it is one of the reasons for ...
. While the city of Chicago was the first to build a lift bridge of Waddell's design, the second had to wait for his partnership with
mechanical engineer Mechanical may refer to: Machine * Machine (mechanical), a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement * Mechanical calculator, a device used to perform the basic operations of ...
John Lyle Harrington, formed in 1907.
Waddell & Harrington Waddell & Harrington was an American engineering company that designed bridges from 1907 to 1915. It was formed in 1907 as a partnership of John Alexander Low Waddell (1854–1938) and John Lyle Harrington (1868–1942) and was based in Kansas C ...
designed a vertical lift bridge (since demolished) for the Iowa Central Railway over the
Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...
at
Keithsburg, Illinois Keithsburg is a city in Mercer County, Illinois, United States on the Mississippi River. The population was 609 at the 2010 census, down from 714 in 2000. It was named for Robert Keith, a pioneer settler. Geography Keithsburg is located at (41.1 ...
, in 1909. The pair designed more than two dozen more vertical lift bridges over the next five years before Harrington left in 1914, among them the
ASB Bridge The Armour-Swift-Burlington (ASB) Bridge, also known as the North Kansas City Bridge and the LRC Bridge, is a rail crossing over the Missouri River in Kansas City, Missouri, that formerly handled automobile traffic. History The piers were built ...
in
Kansas City Missouri Kansas City (abbreviated KC or KCMO) is the largest city in Missouri by population and area. As of the 2020 United States census, 2020 census, the city had a population of 508,090 in 2020, making it the List of United States cities by populat ...
.


List of major projects

* South Halsted Street Lift-Bridge, Chicago, Illinois (1893) * Waddell "A" Truss Bridge Parkville, Missouri (1898) () *
Kansas City Southern Railroad Bridge, Cross Bayou The Kansas City Southern Railroad Bridge (Cross Bayou), in downtown Shreveport, Louisiana, is an "A" Truss bridge erected in its current location in 1926 and abandoned in the 1980s. Due to its national significance to the progress of American b ...
Shreveport, Louisiana (1890, re-erected 1926) *
Hawthorne Bridge The Hawthorne Bridge is a truss bridge with a vertical lift that spans the Willamette River in Portland, Oregon, joining Hawthorne Boulevard and Madison Street. It is the oldest vertical-lift bridge in operation in the United States and the ol ...
, Portland, Oregon (1910) * Armour-Swift-Burlington Bridge, Kansas City, Missouri (1911) *
Steel Bridge The Steel Bridge is a through truss, double-deck vertical-lift bridge across the Willamette River in Portland, Oregon, United States, opened in 1912. Its lower deck carries railroad and bicycle/pedestrian traffic, while the upper deck carries ro ...
, Portland, Oregon (1912) * Colorado Street Bridge, Pasadena, California (1913) * 11th Street Bridge (aka Murray Morgan Bridge), Tacoma, Washington (1913) *
Snowden Bridge Snowden Bridge is a high-clearance, vertical-lift railroad bridge, built in 1913, that spans the Missouri River between Roosevelt and Richland Counties in Montana, USA, between Bainville and Fairview, Montana, and near Fort Union Trading Post ...
, Bainville and Fairview, Montana (1913) * Caddo Lake Drawbridge, Mooringsport, Louisiana (1914) * Twelfth Street Trafficway Viaduct, Kansas City, Missouri (1915) * Detroit-Superior Bridge, Cleveland, Ohio (1917) *
Interstate Bridge The Interstate Bridge (also Columbia River Interstate Bridge, I-5 Bridge, Portland-Vancouver Interstate Bridge, Vancouver-Portland Bridge) is a pair of nearly identical steel vertical-lift, Parker through-truss bridges that carry Interstate 5 ...
, Vancouver, Washington, and Portland, Oregon (1917) *
Washington Bridge The Washington Bridge is a -long arch bridge over the Harlem River in New York City between the boroughs of Manhattan and the Bronx. The crossing, opened in 1888, connects 181st Street (Manhattan), 181st Street and Tenth Avenue (Manhattan), Am ...
, Milford and Stratford, Connecticut (1921) * Memorial Bridge, Portsmouth, New Hampshire, and Kittery, Maine (1923) *
CRRNJ Newark Bay Bridge The Newark Bay Bridge of the Central Railroad of New Jersey (CNJ) was a railroad bridge in New Jersey that connected Elizabethport and Bayonne at the southern end of Newark Bay. Its third and final incarnation was a four-track vertical-lift ...
, Elizabethport and Bayonne, New Jersey (1926) *
Outerbridge Crossing The Outerbridge Crossing, also known as the Outerbridge, is a cantilever bridge that spans the Arthur Kill between Perth Amboy, New Jersey, and Staten Island, New York. It carries New York State Route 440 (NY 440) and New Jersey Rou ...
, Perth Amboy, New Jersey, and Staten Island, New York (opened June 29, 1928) *
Goethals Bridge The Goethals Bridge () is the name of a pair of cable-stayed bridge spans connecting Elizabeth, New Jersey, to Staten Island, New York, in the United States. The spans cross a strait known as Arthur Kill, and replaced a cantilever bridge span bu ...
, Elizabeth, New Jersey, and Staten Island, New York (opened June 29, 1928) *
Lower Hack Lift The Lower Hack Lift is a lift bridge carrying the New Jersey Transit Morristown Line across the Hackensack River at mile 3.4, Jersey City, New Jersey. The massive 3-track lift span was built in 1927–28 by the Delaware, Lackawanna and Western Ra ...
, Kearny and Jersey City, New Jersey (1928) *
Route 46 Hackensack River Bridge The Winant Avenue Bridge is a vehicular movable bridge spanning the Hackensack River in Bergen County, New Jersey from its mouth at Newark Bay. Built in 1934, it is also known as the Route 46 Hackensack River Bridge and S46 Bridge, it carries ...
, Little Ferry and Ridgefield Park, New Jersey (1934) * Fourteenth Street (L&I) Bridge, Louisville, Kentucky (1918)


Death

Four years after the passing of his wife Ada, Waddell died on March 3, 1938 in his
Manhattan Manhattan (), known regionally as the City, is the most densely populated and geographically smallest of the five boroughs of New York City. The borough is also coextensive with New York County, one of the original counties of the U.S. state ...
apartment at the Hotel Earle. According to an obituary his death was caused by complications from a stroke, suffered 3 months prior. Waddell is memorialized with his wife at Fairview Cemetery in
Council Bluffs, Iowa Council Bluffs is a city in and the county seat of Pottawattamie County, Iowa, Pottawattamie County, Iowa, United States. The city is the most populous in Southwest Iowa, and is the third largest and a primary city of the Omaha–Council Bluffs ...
.


Partial bibliography


''The Designing of Ordinary Iron Highway Bridges''
884 __NOTOC__ Year 884 ( DCCCLXXXIV) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Europe * March 1 – Diego Rodríguez Porcelos, count of Castile, founds and repo ...
(1891), 5th edition (in English). New York: John Wiley & Sons, 252 pages.
''System of Iron Railroad Bridges for Japan''
(1885). Tokyo: Tokyo University, 258 pages.
''De Pontibus: A Pocket-book for Bridge Engineers''
(1898) 1st edition. New York: John Wiley & Sons, 403 pages. * ''Principal professional papers of Dr. J. A. L. Waddell, civil engineer'', Waddell, J. (Ed.). (1905). Retrieved fro

on December 31, 2017. * ''Bridge Engineering''
Volume I
an
Volume II
(1916). New York: John Wiley & Sons, 2,177 pages. * ''Engineering Economics'', Waddell, John Alexander Low., University of Kansas, 1917. Accessed a

on December 31, 2017.
''Economics of Bridgework: A Sequel to Bridge Engineering''
(1921). New York: John Wiley & Sons, 512 pages. *
The engineering profession fifty years hence.
' Lancaster, Pa.: Press of the New Era Print. Co. (1918).
''Memoirs and Addresses of Two Decades''
with Frank Woodward Skinner, edited by J.L. Harrington (1928). New York: Mack Printing Company, 1,174 pages. * ''Vocational Guidance in Engineering Lines'' (1933) by the Committee on Engineering Education of the American Association of Engineers. Waddell was a contributor.


See also

*
Waddell & Harrington Waddell & Harrington was an American engineering company that designed bridges from 1907 to 1915. It was formed in 1907 as a partnership of John Alexander Low Waddell (1854–1938) and John Lyle Harrington (1868–1942) and was based in Kansas C ...


References


External links

*
"Dr. J. A. L. Waddell's Contributions to Vertical Lift Bridge Design"
2002 paper fro
Heavy Movable Structures
{{DEFAULTSORT:Waddell, John Alexander Low 1854 births 1938 deaths Bridge engineers American civil engineers Canadian civil engineers Foreign advisors to the government in Meiji-period Japan Foreign educators in Japan Canadian expatriates in Japan Rensselaer Polytechnic Institute alumni People from Northumberland County, Ontario 19th-century American engineers 19th-century Canadian engineers 20th-century American engineers 20th-century Canadian engineers