Arthur Felix, FRS[1] (3 April 1887 in Andrychów – 17 January 1956 in England) was a Polish-born microbiologist and serologist.

[1] Arthus Felix was Jewish;[4] he became interested in Zionism during his student days in Vienna and later developed into an authority on Palestine.

[5] In 1915, Arthur Felix and Edmund Weil were Austrian medical officers working in a field laboratory in Sokal and discovered a diagnostic test for patients with typhus that makes use of an antibody cross reaction to a strain of Proteus bacillus that had been isolated from urine.

[1] Pitt co-authored many publications with Felix throughout her career, although not much is known about her as misogyny kept her from the proper recognition she deserved as a scientist.

[1] He also co-authored a comprehensive review of what was known about typhoid fever and diagnosis with another female scientist, Miss M.