C. Bertram Hartman

[1] He also did "batik textiles, book illustrations, stained glass, mosaics, and designs for rugs".

[3] In 1933/1934 Hartman was represented by two works in the First Biennial Exhibition of Contemporary American Sculpture, Watercolors and Prints, held at the Whitney Museum at 10 west 8th St.[5] His address: 11 MacDougal Alley, located on the other side of 20 West 8th Street where his friend Gaston Lachaise had a studio from Nov. 1924-1926/27.

Hartman and his wife Augusta (1885-1960), known as Gusta, resided in New York City[3] and had a number of artist friends.

Gaston Lachaise sculpted a portrait of Gusta known as "The Girl with Bobbed Hair" 1923.

Bertram wrote numerous letters to Isabel Lachaise, which are held by the Beinecke Library at Yale University.