Philosopher
Practitioners
Plato
Johann Heinrich Pestalozzi
Matthias Ernst
Christina, Queen of Sweden
John Veitch (poet)
Erez Lieberman Aiden
George Boolos
Mortimer J. Adler
Bruce Lee
Clare Palmer
Leon Trotsky
Matti Häyry
Grega Repovš
John Flavel (logician)
W. E. B. Du Bois
Theodor Weber
Rebecca Goldstein
Gotthold Ephraim Lessing
Peter Lamborn Wilson
Mercy Otis Warren