From 1911 he collaborated with Littlewood, and from 1914 with Ramanujan.
His autobiography, A Mathematician's Apology, was published in 1941.
... century - 4th century Decades: 190s 200s 210s 220s 230s - 240s - 250s 260s 270s 280s 290s Years: 237 238 239 240 241 - 242 - 243 244 245 246 247 Events Patriarch ...