Jervis Langdon Jr. was an American railroad executive noted as president of B&O, the Rock Island, and Penn Central.
[1] Langdon was a member of The Hill School class of 1923, but was expelled due to participating in a party where alcohol was involved (although he did not consume it).
He then matriculated at Cornell University, and graduated with the class of 1927.
[2] He served as a colonel in the Army Air Force during World War II.
He was a grand-nephew of Mark Twain, and in 1982, he donated his family house Quarry Farm to Elmira College for the use of studies of the author.