Photographer Tyler Description The KneiselQuartet in 1908. From left to right: Franz Kneisel, Willem Willeke, Louis Svecenski, Julius Roentgen. Date 1908
Photographer Aimé Dupont Studio Description The KneiselQuartet in 1912–1917. From left to right: Franz Kneisel, Willem Willeke, Louis Svecenski, Hans Letz
Photographer Unknown photographer Description The KneiselQuartet in 1902–1903. From left to right: Franz Kneisel, Alwin Schroeder, Louis Svecenski, Julius Theodorowicz