Zweig (German for "twig" or "branch") is a German and Yiddish surname. A shortening of Rosenzweig ("Rose branch"). It is the surname of: Alan Zweig, Canadian documentary filmmaker. Ann Strickler Zweig, American scientist. Arnold Zweig (1887–1968), German writer and pacifist. Esther Zweig (1906-1981), American author, composer and translator. George Zweig (born 1937), American particle physicist and neurobiologist. Martin Zweig (1942–2013), American stock investor and financial analyst. Stefan Zweig (1881–1942), Austrian writer.
https://en.wikipedia.org/wiki/Zweig