Original photograph 10,5×16,5cm, taken by Van der Stok, Breestraat 149 Leiden, of three men in 1910 wearing white tie following the doctorate of one of them (doctor and paranymfen). Depicted are Dr. David Cohen, Dr. A.J. (Bram) Luyt, Mr K.A. Nederlof at the occasion of the defense by Luyt of his dissertation: ‘Klikspaans studentenschetsen, bijdrage […]