His high-achieving academic record started early as he was made dux of Petone Central Primary School in 1930.
His RSNZ obituary relates that he was offered a job by Sir Ernest Marsden over the phone at 4:30pm and traveled overnight by train to Auckland to start work the next morning.
At the end of the war he returned to his studies now at London University and was awarded his PhD in geophysics in 1948 on the topic of the magnetic properties of rocks.
[1] Chalk and Robertson met studying mathematics and she was described as having "a most effective backhand" in a review of the table tennis club at Victoria University.
In addition, he was awarded the OBE (1963), the Queen Elizabeth II Silver Jubilee Medal (1977), CBE (1981) all for services to science.