. . "Swiss physicist" . "Peter H\u00E4nggi"@en . . . . "Hanggi, Peter"@en . . . . . "Peter H\u00E4nggi (born November 29, 1950 is a theoretical physicist from Switzerland. He isbest known for his original works on Brownian motion and ratchets, stochastic resonance and dissipative systems (classical and quantum) [1]."@en . . . "1950-11-29Z"^^ . . "1950Z"^^ .