Humphreys
ALEXANDER CROMBIE, an American engineer and educator; born in Edinburgh, Scotland, in 1851. He came to the United States in 1859 and after several years spent in business he graduated from the Stevens Institute of Technology in 1881. He served as chief engineer for several gas companies, and from 1892 to 1908 was head of the gas company in London, with branch offices in New York. He made various important inventions in the manufacture of water gas. In 1902 he was elected president of the Stevens Institute of Technology. He published several lectures on engineering practice.