.
0175626
FERDINAND GEORG FROBENIUS
(1849-1917). German mathematician. Photographed by Loescher & Petsch, 1899.
.
0175627
FERDINAND GEORG FROBENIUS
(1849-1917). German mathematician. Photographed by Julius Cornelius Schaarwächter, c1900.
.
0175628
FERDINAND GEORG FROBENIUS
(1849-1917). German mathematician. Photographed by Wilhelm Höffert, c1900.