Evidence found in Adam's lower intestine was identified as being the highly poisonous calabar bean, which police think may have been used to subdue him before his death. Other contents in his ...

His original interest was investigating plant products, especially traditional medicinal plants such as the African calabar bean. In 1935, with Josef Pikl, he first synthesized from this plant a ...

In 1935, in Minshall Laboratory, DePauw alumnus Percy L. Julian (1899-1975) first synthesized the drug physostigmine, previously only available from its natural source, the calabar bean. His ...