Haim Hanani, Date of Birth, Place of Birth, Date of Death

Haim Hanani

Israeli mathematician

Date of Birth: 11-Sep-1912

Place of Birth: Słupca, Greater Poland Voivodeship, Poland

Date of Death: 31-Jan-1995

Profession: mathematician, university teacher

Nationality: Poland

Zodiac Sign: Virgo

Haim Hanani ((1912-09-11)September 11, 1912 as Chaim Chojnacki–April, 1991) was a Polish-born Israeli mathematician, known for his contributions to combinatorial design theory, in particular for the theory of pairwise balanced designs and for the proof of an existence theorem for Steiner quadruple systems.
He is also known for the Hanani–Tutte theorem on odd crossings in non-planar graphs.