Otto Bayer was born in 1902.
Otto Bayer died in 1982.
Otto Bayer invented polyurethane.
Johann Bayer was born in 1572.
Frederick Bayer was born in 1921.
Alfred Bayer was born in 1933.
Svend Bayer was born in 1946.
Gustav Bayer was born in 1895.
Rudolf Bayer was born in 1939.
Adèle Bayer was born in 1814.
Emilia Bayer was born in 1934.
Josef Bayer was born in 1852.
Friedrich Bayer was born in 1825.