Oskar Kaufmann died in 1956.
Oskar Kaufmann was born in 1873.
Franz Jos. Oskar Kaufmann has written: 'Ueber die gleichwerthigkeit oder ungleichwerthigkeit der atomvalenzen untereinander'
Eugen Kaufmann died in 1984.
Leopold Kaufmann died in 1898.
Emil Kaufmann died in 1953.
Theodore Kaufmann died in 1896.
David Kaufmann died in 1899.
Arthur Kaufmann died in 1940.
Felix Kaufmann died in 1949.
Kaufmann Kohler died in 1926.
Alexander Kaufmann died in 1893.
Yehezkel Kaufmann died in 1963.