Johann Rudolf Glauber was born in 1604.
Johann Rudolf Glauber died on 1670-03-10.
Johann Rudolf Glauber- he was German :]
Erwin Chargaff
Johann Rudolf Zumsteeg was born in 1760.
Johann Rudolf Huber was born in 1668.
Johann Rudolf Schneider was born in 1804.
Johann Rudolf Engau was born in 1708.
Johann Rudolf Wettstein was born in 1594.
Johann Rudolf Tschiffeli was born in 1716.
Johann Rudolf Wyss was born on March 4, 1782.
Johann Rudolf Kutschker was born on 1810-04-11.
Johann Rudolf de Steiger was born in 1778.