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Albert Schwarz - inventor - was born in 1873.
Albert Schwarz - inventor - died in 1933.
There are three David Schwartz that i know of one was an aviation inventor a footballer and a composer. Wish it helped you.
David Schwarz has written:
'Listening subjects' -- subject(s): Music, Philosophy and aesthetics, Psychoanalysis, Psychological aspects, Psychological aspects of Music
David Warren - inventor - was born on 1925-03-20.