John S. Meck 
Last updated: 22.06.17
All that can presently (June 2015) be gleaned about by internet searching is that John S. Meck is the one-off composer of Coronation March (1917) published by Axel W. Christensen, Chicago, Illinois, USA.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD