(2)Autobiograph 3. contribution (1) He helped found the pennsylvania Hospital and the american Philoso phical Society (2) He was called xthe new Prometheus who had stolen fire (electricity in this case) from heavens (3) Everything seems to meet in this one man jAck of all trades. Herman Melville thus described him master of each and mastered by none.3 （2）Autobiography 3.contribution （1）He helped found the Pennsylvania Hospital and the American Philosophical Society. （2）He was called ※the new Prometheus who had stolen fire （electricity in this case） from heaven§. （3）Everything seems to meet in this one man ※Jack of all trades§. Herman Melville thus described him ※master of each and mastered by none