 For example, his results give
Later Ken Ono conjectured that the elusive crank also satisfies exactly the same types of general congruences.This was proved by his Ph.D. student Karl Mahlburg in his 2005 paper "Partition Congruences and the Andrews–Garvan–Dyson Crank", linked below.This paper won the first Proceedings of the National Academy of Sciences Paper of the Year prize.