Dirk Kreimer
Dirk Kreimer (born 12 July 1960) is a German physicist who pioneered the Hopf-algebraic approach to quantum field theory with Alain Connes and other co-authors. He is a Humboldt professor at Humboldt University in Berlin.
...
Wikipedia
Dirk Kreimer (born 12 July 1960) is a German physicist who pioneered the Hopf-algebraic approach to quantum field theory with Alain Connes and other co-authors. He is a Humboldt professor at Humboldt University in Berlin.