context: In his 1913 thesis, he derived the Fokker–Planck equation along with Max Planck.
source: Fokker became a physics teacher at the Gymnasium of Delft after 1918 and was appointed in 1923 as the first professor of Applied Physics at the Technische Hoogeschool Delft (today Delft University of Technology).
reference_original: Fokker divenne un professore di fisica al Gymnasium di Delf dopo il 1918 e fu incaricato nel 1923 come primo professore di fisica applicata presso la Technische Hoogeschool Delft (oggi conosciuta come Delft University of Technology).
reference_flipped: Fokker divenne una professoressa di fisica al Gymnasium di Delf dopo il 1918 e fu incaricata nel 1923 come prima professoressa di fisica applicata presso la Technische Hoogeschool Delft (oggi conosciuta come Delft University of Technology).