even after pearson died in 1936, fisher continued his attack on him, which made the atmosphere in university college a very difficult one with pearson 's son egon pearson also holding a chair there.

Make this proper case.
Even after Pearson died in 1936, Fisher continued his attack on him, which made the atmosphere in University College a very difficult one with Pearson 's son Egon Pearson also holding a chair there.