David Cassell Wismer pioneered the cataloging of obsolete notes in The Numismatist as early as 1907, but he is best known for his article the "Descriptive List of Obsolete Paper Money" that ran in The Numismatist from June 1922 to November 1936. Mr. Wismer passed away on May 31, 1949, predating the SPMC. He was a 50-year member of the ANA , member #127, joining in December 1892. In 1969 he was elected to the ANA Hall of Fame. He was an engineer and mechanic. The SPMC has a literary program named for Mr. Wismer.