Richard Stone Bostwick was born in New Haven, Connecticut on December 22, 1831. Before the war he was a clerk and an oyster dealer in New Haven.

On May 7, 1861 he enlisted as a private in Company G of the 2nd Connecticut infantry Regiment. He mustered out with the regiment at the end of its term of service on August 7, 1861.

On October 22, 1862 he was appointed colonel of the 27th Connecticut Infantry Regiment. Captured at the Battle of Chancellorsville on May 3, 1863 along with the majority of his regiment, he was in Libby Prison in Richmond until paroled on May 23, 1863.

He honorably mustered out at the end of his regiment’s service on July 27, 1863.

Bostwick lived in Union-occupied Norfolk, Virginia from 1864 until he moved to New York City in 1869. He moved to Brooklyn in 1880, and died there on January 5, 1906.

Richard S. Bostwick is buried in the Grove Street Cemetery in New Haven, Connecticut.