[1] At age sixteen he entered Brown University in Providence, Rhode Island, from which he graduated.
In 1858, appointed a member of the Board of Visitors of the United States Military Academy, and selected secretary.
[2] In 1858, he moved to Cleveland, Ohio, and became a Republican during the American Civil War.
[3] In 1886, Governor Foraker appointed him to a vacancy on the Ohio Supreme Court.
[8] At the 1894 State Republican Convention, Dickman lost out to John Allen Shauck for the nomination.