Lucian M Ionescu

From numbers   2rd grade    ... to categories       visiting S.
                  MacLane         

                                      (2nd grade :)                                                                      (Grad school - visiting Saunders MacLane)               


see also Collin McLarty,  2007, "The Last Mathematician from Hilbert's Göttingen: Saunders Mac Lane as Philosopher of Mathematics,",
British Journal for the Philosophy of Science 58(1): 77–112.           






Updated 08/2012