Konrad Bleuler
Konrad Bleuler (German: [ˈblɔɪlər]; 23 September 1912, Herzogenbuchsee – 1 January 1992, Königswinter) was a Swiss physicist who worked in the field of theoretical particle physics and quantum field theory.He received his doctorate for the mathematical work titled "On the Rolle's theorem for the operator Δu + λu and related properties of the Green's function" from the ETH Zurich in 1942.[2] Bleuler's most notable contribution was the introduction of Gupta–Bleuler formalism for the quantization of the electromagnetic field, which he developed independently with Suraj N.Bleuler also made contributions to nuclear and particle physics.He also wrote about the work of other famous scientists, so on Wolfgang Pauli[4] and Rolf Nevanlinna.