This is a Message Board Post that is gatewayed to this mailing list. Classification: Query Message Board URL: http://boards.ancestry.com/mbexec/msg/rw/1hB.2ACE/1485 Message Board Post: I am trying to date a photograph by Will S. Thompson Photographer, North Side of Square, Bonham, Texas. Do you know his years of business? It would have been around 1900. Thanks.