A monument to Jacob Jay Vandergrift, riverboat captain, pioneering oil magnate, and eponymous founder of Vandergrift, Pennsylvania. There are an awful lot of eponymous people in the Allegheny Cemetery. The column was supposedly designed by Alden & Harlow.
The pictures in this article have been donated to Wikimedia Commons under a Creative Commons CC0 1.0 Universal Public Domain Dedication, so no permission is needed to use them for any purpose whatsoever.