Alfred Frölicher (often misspelled Fröhlicher) is a mathematician at the Université de Genève who introduced the Frölicher spectral sequence and the Frölicher–Nijenhuis bracket and Frölicher spaces and Frölicher groups.
Frölicher spectral sequence | Frölicher space | Frölicher–Nijenhuis bracket | Hinge and Bracket | Otto Frölicher, ''River landscape', 1868, 73 x 125.5 cm. Kunstmuseum Solothurn |