Richard and Tilda Knopf Laase Wedding Portrait. Material: paper. Size: 6" x 9". Description: black and white wedding portrait of bride and groom, Tilda (Tillie) Knopf and Richard Laase; the bride is wearing a floor length white gown and veil with a high ruffled headpiece; the groom is wearing a dark suit, white high collar and bow tie; photographer, A. S. Hellebo of Janesville.