If we define it as currently, a PhD in Biology, Physics, Chemistry etc. working full time in the field and/or university faculty conducting research, that'd be none. read more
Woodrow Wilson was the sole President of the United States who possessed a research degree, though he was not strictly a “scientist” in the popular definition inasmuch as his PhD (from Johns Hopkins) was in political science. read more
Fascinated by geography and biology, Roosevelt was a published ornithologist and an avid outdoorsman. In 1891, he used the Forest Reserve Act to allocate 150 million acres of land to the public domain — an unprecedented move for a U.S. president. He also oversaw the creation of the U.S. Forest Service. read more
Re: U.S. Presidents Who Were Engineers 02/20/2014 12:32 pm Carter graduated from the US Naval academy and later went to graduate school for nuclear engineering and reactor physics. read more