The article offers the author's insights on Emil Grinzweig who was an assistant of professor Yehuda Elkana. The author says that he was introduced to Emil Grinzweig on December 2, 1982 and they had a long discussion on issues. He says that Grinweig wrote him a letter explaining reasons why scientists reject theories of their religious antecedents like Isaac Newton. Moreover, letters from Grinzweig to the author and the author to Grinzweig are also presented.