Jun O'Hara

'''Jun O'Hara''', legally named , is a Japanese mathematician who works on the fields of low-dimensional topology and knot theory. He is a professor at Chiba University.

He is famous for his discovery of Möbius energy, a type of knot energy.

He was born on 29 March 1963 in Hiroshima, Japan.

He was a PhD student of Takashi Tsuboi at the University of Tokyo. Provided by Wikipedia