Bruno Oswald Sommer

Bruno Oswald Sommer ( * Berlin,Sunday 20.03.1881  -  † Friday 19.11.1971)

German chess composer

The Berlin teacher Bruno Oswald Sommer (20 March 1881 - 19 November 1971) was an outstanding theorist and practitioner of the New German School, who also liked to venture into the field of retro chess problems. Bruno Oswald Sommer had a long and successful chess composing career. Many chess compositions have been selected in the FIDE Album. 

Source: chesscomposers.blogspot.com