Richard Stark was a pseudonym used by Donald Edwin Westlake (born July 12, 1933 – died December 31, 2008) an American writer. He wrote under his own name <a href="/c/books/credit/25692/donald-e-westlake/">Donald E. Westlake</a>, and many other pseudonyms including: John B. Allan, Judson Jack Carmichael, Curt Clark, <a href="/c/books/credit/69754/tucker-coe/">Tucker Coe</a>, <a href="/c/books/credit/69755/timothy-j-culver/">Timothy J. Culver</a>, J. Morgan Cunningham, Samuel Holt, Alan Marshall, and Edwin West.
As Richard Stark he wrote the series: Grofield, and <a href="/c/books/credit/381376/parker/">Parker</a>.
https://en.wikipedia.org/wiki/Donald_E._Westlake