Arthur Wellington Clark (American, 19th/20th century)

Anonymous

Anonymous

Anonymous

Jerzy Napieracz (Polish, 1929-2018)

Anonymous

Anonymous

Auguste Félix Schoy (Belgian, 1838-1885)

Allan Jordan (Australian, 1898–1982)

Ludwik Misky (Polish, 1884 - 1938)

Otto Ubbelohde (German, 1867 – 1922)

Edward Penfield (American, 1866 - 1925)