Richard Steinweg (28-10-1860 - 1943) German chess composer

Richard Steinweg composed direct mates, selfmates, helpmates and retro problems (especially help-retractors). He also composed several Kegelschach problems (such as this one, this, this or this). More about him on the Berlin chess club website [broken link] which quotes the magazine "Deutsche Schachblätter" 3/1938 celebrating Steinweg's 50th anniversary as a member of the club.