Benjamin Henry Day Jr. (March 7, 1838[1] – August 30, 1916) was an illustrator and printer, best known for his invention of Ben-Day dots.
He was born in New York City, studied in Paris, and after returning to the United States worked for Leslie's, Harper's Weekly and similar publications.
[4] The Mark Twain book A Tramp Abroad contains more than 20 pictures by Day.
[1][5] They had two sons, Benjamin H. (April 11, 1860 – October 17, 1905) and Charles Shepherd (1866 – January 26, 1900).
[6] In 1878, Day was remarried to Rebecca Augusta Avery (June 27, 1844 – January 10, 1926), with whom he had two daughters (Florence and Helen).