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 , and the agronomist William Jasper Spillman .
Carl Erich Correns ( 10 September 1864 - 14 February 1933 ) was a German botanist and geneticist .