Dr Joseph Jacobs was one of the scientists responsible for creating DDT.

Belying the oft-repeated claim that DDT is highly dangerous to human beings, he told Joseph Farah of "falling into a vat of DDT and emerging unscathed with no after-effects." http://www.wnd.com/news/article.asp?ARTICLE_ID=28706

John Pollock wrote:

Joseph Jacobs (29 August 1854 - 30 January 1916) was a literary and Jewish historian. He was a writer for the Jewish Encyclopaedia and a notable folklorist, creating several noteworthy collections of fairy tales.