Herm Siewert 
Last updated: 22.04.17
All that can presently (May 2013) be gleaned about by internet searching is that Herm Siewert is the one-off composer of That Coon Town Rag (1913) published by C.A. Ross Pub. Co., Kalamazoo, Michigan, USA.
Surfers are welcome to contribute information about this composer.