Even before his Nobel-Prize-winning work on elucidating and synthesizing oxytocin and vasopressin, he had established a reputation for work on insulin, biotin, transmethylation, and penicillin.
Ata antes da súa famosa obra acerca do esclarecemento e síntese da oxitocina e vasopresina, formouse unha reputación polo seu traballo coa insulina, biotina, transmetilación, e penicilina.