Olive Dennis
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Olive Wetzel Dennis (November 20, 1885 – November 5, 1957) was an
engineer Engineers, as practitioners of engineering, are professionals who invent, design, analyze, build and test machines, complex systems, structures, gadgets and materials to fulfill functional objectives and requirements while considering the l ...
whose design innovations changed the nature of railway travel. Born in Thurlow,
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
, she grew up in
Baltimore Baltimore ( , locally: or ) is the List of municipalities in Maryland, most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic (United States), Mid-Atlantic, and List of United States cities by popula ...
.


Career

She earned a Bachelor of Arts degree from
Goucher College Goucher College ( ') is a private liberal arts college in Towson, Maryland. It was chartered in 1885 by a conference in Baltimore led by namesake John F. Goucher and local leaders of the Methodist Episcopal Church.https://archive.org/details/h ...
in 1908, and a master's degree in mathematics from
Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhatt ...
the following year. After teaching at Wisconsin, she decided to study
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 ...
and studied at
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 ...
, earning her degree in only one year. In 1920, she became only the second woman to obtain a Civil Engineering degree from Cornell . She was hired that year as a draftsman by the
B & O Railroad The Baltimore and Ohio Railroad was the first common carrier railroad and the oldest railroad in the United States, with its first section opening in 1830. Merchants from Baltimore, which had benefited to some extent from the construction of ...
to design bridges, the first of which was in Painesville, Ohio. The following year,
Daniel Willard Daniel Willard (January 28, 1861 – July 6, 1942) was an American railroad executive best known as the president of the Baltimore and Ohio Railroad (B&O) from 1910 to 1941. He served on or headed several government railroad commissions in World ...
, President of the railroad observed that, since half of the railway's passengers were women, the task of engineering upgrades in service would best be handled by a female engineer. Dennis became the first "service engineer" when the B. & O. created the position. Engineering historian
Kurt H. Debus Kurt Heinrich Debus (November 29, 1908 – October 10, 1983) was a Nazi party member, rocket engineer, and NASA director. Born in Germany, he was a member of the Schutzstaffel (SS) during World War II, where he served as a V-weapons flight test d ...
described her as the first service engineer in America. Later on in her career, B. &. O. tasked Dennis with designing an entire train that incorporated all of her innovations. This train, the
Cincinnatian The ''Cincinnatian'' was a named passenger train operated by the Baltimore and Ohio Railroad (B&O). The B&O inaugurated service on January 19, 1947, with service between Baltimore, Maryland and Cincinnati, Ohio, carrying the number 75 westbound ...
, was deemed "the crowning glory of her career" by historian Sharon Harwood. She was also the first female member of the
American Railway Engineering Association 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 ...
. She was elected as a member of the British
Women's Engineering Society The Women's Engineering Society is a United Kingdom professional learned society and networking body for women engineers, scientists and technologists. It was the first professional body set up for women working in all areas of engineering, pred ...
in 1931.


Innovations

Among the innovations that Ms. Dennis introduced on
passenger train A passenger train is a train used to transport people along a railroad line. These trains may consist of unpowered passenger railroad cars (also known as coaches or carriages) hauled by one or more locomotives, or may be self-propelled; self pr ...
s were seats that could partially recline; stain-resistant upholstery in passenger cars; larger dressing rooms for women, supplied with free paper towels, liquid soap and drinking cups; ceiling lights that could be dimmed at night; individual window vents (which she patented) to allow passengers to bring in fresh air while trapping dust; and, later,
air conditioned Air conditioning, often abbreviated as A/C or AC, is the process of removing heat from an enclosed space to achieve a more comfortable interior environment (sometimes referred to as 'comfort cooling') and in some cases also strictly controlling ...
compartments. Other rail carriers followed suit in the years that followed, and buses and airlines, in turn, had to upgrade their level of comfort in order to compete with the railroads. Her legacy for these innovations and comforts goes largely unknown outside of the railroad community. Her design patents were signed over to the railroad and her name does not appear in the publicity materials for the Cincinnatian, despite her designing it.


Woman's viewpoint

"No matter how successful a business may seem to be," she said, "it can gain even greater success if it gives consideration to the woman's viewpoint."Hatch, ''Changing Our World'', p. 93. Although the changes were not enough to save the passenger rail industry in America, Ms. Dennis' unique perspective as a traveling woman with training as a technical engineer influenced the
travel industry Tourism is travel for pleasure or business; also the theory and practice of touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tours. The World Tourism Organization defines tourism mo ...
nationwide.


Sources

*''Current Biography'' 1941 yearbook, pp. 220–221 *Sybil E. Hatch, ''Changing Our World: True Stories of Women Engineers'' (ASCE Publications, 2006) *
Marilyn Bailey Ogilvie Marilyn Bailey Ogilvie (born 1936) is an American historian of science known especially for her work on the history of women in science. She taught at Oklahoma Baptist University before becoming curator of the History of Science Collections and ...
and
Joy Dorothy Harvey Joy Dorothy Harvey (born 1934) is an American historian of science. Life Harvey gained a PhD from Harvard University in 1983. She has been an associate editor of the Darwin Correspondence Project, and written a biography of Clémence Royer, Dar ...
, eds., ''The Biographical Dictionary of Women in Science'' (Taylor & Francis, 2000)


References


External links


Olive Dennis - Engineer Girl

Olive W. Dennis - B&O Railroad Museum

Olive Dennis - Engineers of the Past profile

Goucher College and Olive Dennis
{{DEFAULTSORT:Dennis, Olive American civil engineers Goucher College alumni Cornell University College of Engineering alumni 1957 deaths 1885 births People from Baltimore Baltimore and Ohio Railroad people Women inventors Engineers from Pennsylvania Engineers from Maryland 20th-century American engineers American women engineers 20th-century women engineers 20th-century American inventors Women's Engineering Society 20th-century American women