[2] Hermann graduated from Druid Hills High School with the class of 1962 and received his Bachelor's degree at Georgia Tech in 1967.
[3] Among other achievements there he also received the "William Gilmer Perry Awards for Freshman English" in 1963, despite the fact that he's not a native speaker.
His advisor was Gilbert Strang and the title of his thesis Asymptotic Expansions and Hyperbolic Equations with Multiple Characteristics.
He lectured as visiting professor at several institutions, among them the Clarkson University (1978/79), the Kyoto RIMS (1980/81) and the École Polytechnique Fédérale de Lausanne (2002).
[5] He made important contributions to the theory of completely integrable systems in particular the Toda lattice and the Korteweg–de Vries equation.