Isaac E. Ditmars was born in 1850.
Isaac E. Ditmars died in 1935.
Raymond Ditmars was born in 1876.
Ivan Ditmars was born on April 12, 1907, in Olympia, Washington, USA.
Isaac E. Crary was born in 1804.
Isaac E. Holmes was born in 1796.
Isaac E. Smith was born on 1858-01-21.
Ivan Ditmars's birth name is Ivan Dale Ditmars.
Raymond Ditmars died in 1942.
Ivan Ditmars died on September 10, 1997, in Encinitas, California, USA.
Isaac E. Crary died in 1854.
Isaac E. Holmes died in 1867.
Isaac E. Smith died on 1940-09-27.