Hebrew הנס רייכנבאך Cited by user אביהו on 13 May 2024 הַנְס רַייכֶנְבַּאךְ היה פילוסוף של המדע, מחנך, ומקדם אמפיריציזם לוגי מוביל.
German Kurt Grelling Cited by user John Red on 02 Jan 2023 Kurt Grelling (* 2. März 1886 in Berlin; † vermutlich September 1942 im KZ Auschwitz) war ein deutscher Mathematiker, Logiker und Philosoph.
English Leonard Nelson Cited by user Psychologist Guy on 12 Dec 2021 Leonard Nelson (; 11 July 1882 – 29 October 1927), sometimes spelt Leonhard, was a German mathematician, critical philosopher, and socialist.
English David Hilbert Cited by user 151.68.219.140 on 19 May 2021 David Hilbert (23 January 1862 – 14 February 1943) was a German mathematician and one of the most influential mathematicians of the 19th and early 20th centuries.