Gabriel Andrew Dirac, Date of Birth, Place of Birth, Date of Death

Gabriel Andrew Dirac

Hungarian mathematician

Date of Birth: 13-Mar-1925

Place of Birth: Budapest, Hungary

Date of Death: 20-Jul-1984

Profession: mathematician, university teacher

Nationality: Hungary, United Kingdom

Zodiac Sign: Pisces

Gabriel Andrew Dirac (13 March 1925 – 20 July 1984) was a Hungarian/British mathematician who mainly worked in graph theory.
He served as Erasmus Smith's Professor of Mathematics at Trinity College Dublin 1964-1966.
In 1952, he gave a sufficient condition for a graph to contain a Hamiltonian circuit.
The previous year, he conjectured that n points in the plane, not all collinear, must span at least [n/2] two-point lines, where [x] is the largest integer not exceeding x.
This conjecture was proven true when n is sufficiently large by Green and Tao in 2012.