In solid-state physics, N. David Mermin is a polymathic physicist at Cornell University best known for the eponymous Mermin-Wagner theorem and his application of the term "Boojum" to superfluidity. Together with Neil W. Ashcroft, Mermin has written an esteemed textbook, "Solid State Physics", and numerous popularizations of physics and mathematics. Wikipedia
The definitive Wikipedia entry for David Mermin. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/David_Mermin