Otto Bayer was born in 1902.
Otto Bayer died in 1982.
Otto Bayer invented polyurethane.
Ernest Bayer was born in 1904.
Alfred Bayer was born in 1933.
Adèle Bayer was born in 1814.
Rudolf Bayer was born in 1939.
Emilia Bayer was born in 1934.
Svend Bayer was born in 1946.
Gustav Bayer was born in 1895.
Josef Bayer was born in 1852.
Friedrich Bayer was born in 1825.
Frederick Bayer was born in 1921.