%0 Journal Article %A A. Conci %T H. Stachel: From Professor to Partner %J Journal for geometry and graphics %D 2022 %P 19-23 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2022_26_1_JGG_2022_26_1_a4/ %F JGG_2022_26_1_JGG_2022_26_1_a4