Richard von Schubert-Soldern

Richard Ritter von Schubert-Soldern (14 December 1852, Prague - 19 October 1924) was a Czech-born German philosopher. (His year of death is sometimes said to have been 1935.)

Schubert-Soldern held teaching posts at Leipzig and Görz. He defended a philosophy of epistemological solipsism.

...
Wikipedia