Salomon Wininger â ( 13 December 1877 , Gura Humora , Bukovina -- December 1968 , in Ramat Gan , Israel ) was an Austrian-Jewish biographer . Salomon Wininger â ( 13 December 1877 , Gura Humorului , Bukovina -- December 1968 , in Ramat Gan , Israel ) was an Austrian-Jewish biographer .