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BY MILA B. CHERRY
Crosthwait officially retired from Dunham in 1969, after serving as an adviser since 1930. He died on February 25, 1976, in West Lafayette, Indiana.
Besides research, product development and H.V.A.C system design. Crosthwait also advanced his field by writing articles and revising sections of several editions of American Society of Heating and Ventilation Engineers Guide. Crosthwait's accomplishments were recognized by many in his field. He won a medal from the National Technological Association in the 1930s and was made a fellow of the American Society of Heating, Refrigeration and Air Conditioning Engineers in 1971—making him the first African American to receive the honor.
An African-American pioneer in the field of heating, ventilating and air-conditioning. Crosthwait attended Purdue University. Where he studied mechanical engineering. After graduating in 1913, he took a job with the C.A. Dunham Company (now known as Dunham-Bush, Inc.).
In his time with the C.A. Dunham Company, David Crosthwait held many positions in the company like director of research. While at Dunham, he conducted research in a lot of areas, including heat and steam transport. His work led to many innovations in H.V.A.C devices and technology. He had more than 30 U.S.A patents. Crosthwait designed H.V.A.C systems, devices and the heating system at Radio City Music Hall in New York City is perhaps the best-known example of his work.
Lets take a Journey through the life of David Nelson
Crosthwait Jr.
David N. Crosthwait Jr. was born in Nashville, Tennessee, on May 27, 1898