W.R. Draper 
Last updated: 22.06.17
All that can presently (July 2015) be gleaned about by internet searching is that W.R. Draper is the one-off composer of Florine Waltz (1920) published by W. R. Draper, Toronto, Canada.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD