Original: Carl Erich Correns ( September 10 , 1864 - February 14 , 1933 ) was a German botanist and geneticist , who is notable primarily for his independent discovery of the principles of heredity , and for his rediscovery of Gregor Mendel 's earlier paper on that subject , which he achieved simultaneously but independently of the botanists Erich Tschermak von Seysenegg and Hugo de Vries .
Simplified: Carl Erich Correns ( 10 September 1864 â '' 14 February 1933 ) was a German botanist and geneticist . His research into heredity led to his rediscovery of Gregor Mendel 's earlier work , independently of Hugo de Vries .