Q:

Should "popperians" be capitalized?

Popperians being people who are sympathetic with Karl Popper's views? In general, should groups of people who take their collective name from a proper noun in turn capitalize their name?

A:

Popperian usually capitalized Etymology: Karl Popper died 1994 British (Austrian born) philosopher + English an (II) : of, relating to, or characteristic of the theories of Karl Popper ; especially 

