He was the son of Albert D. Richardson (a journalist and Union spy during the American Civil War), and Mary Louise Pease.
[2] When 16, Richardson began working for the Chicago Inter Ocean newspaper; and later became a European correspondent for the Boston Herald.
In 1876 while in Deadwood (in the Dakota Territory), he happened to interview Wild Bill Hickok the day before his death, and wrote about the event a number of times.
[1] An early example of this work was the play, Anselma, which opened at New York's Madison Square Theatre in September 1885, for which he was the bookwriter.
His obituary in The Fourth Estate, a journal on the newspaper industry, called Richardson "one of the most widely known dramatic editors in this country.