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Focke, Wilhelm Olbers (1834-1922)(13)
Borcherding, Friedrich (1849-1924)(2)
Haeckel, Ernst (1834-1919)(2)
Plettke, Friedrich (1864-1942)(2)
Unbekannt(2)
Haeckel, O.(1)
Peter, Albert (1853-1937)(1)
Steilen, Diedrich (1880-1961)(1)
Strasburger, Eduard (1844-1912)(1)
Tischler, Georg (1878-1955)(1)