Roman Stanisław Ingarden
Roman Stanisław Ingarden (/ɪnˈɡɑːrdən/; Polish: [ˈrɔman inˈɡardɛn]; 1 October 1920, Zakopane – 12 July 2011, Kraków) was a Polish physicist, specialised mainly in optics and statistical mechanics, son of the Polish philosopher Roman Witold Ingarden.