In 1896, he joined The Lark, founded the previous year by Gelett Burgess and Bruce Porter.
In 1907 he became assistant curator of Bancroft Library at the University of California at Berkeley.
The door is now held by the Harry Ransom Center at the University of Texas at Austin, and Garnett's signature can be found on front panel 1.
[2] In 1922, Garnett became professor of graphic arts at the Carnegie Institute of Technology in Pittsburgh, Pennsylvania, teaching traditions, development and ideals of printing.
[3] The Press was one of the only dedicated to education in printing as a fine art.