One study composed by
Otto B. Wurzburg
(USA, 10.7.1875 - 19.10.1951)
He was mainly a Problem composer.
More about him can be found at many website like ChesscomposerBlogspot and German Wikipedia.
From page 267 of the December 1918 American Chess Bulletin:
(All his studies, more exact dates, possible corrections or cooks and exact details about sources can be found in the