For a more detailed bio of him follow the link:
http://www.thoemmes.com/404.asp?404;http://www.thoemmes.com/encyclopedia/ames.htm
... 3rd 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 ...