Helping organise an expedition to South America.

Using both Nasonia vitripennis and Sarcophaga argyrostoma to investigate photoperiodic timing.

Catching up with colleagues at several international meetings.

Second Edition of Insect Clocks published; Collaborations in Poland, Czechoslovakia, Chapel Hill.

International Congress of Physiology in Sydney; Colin Pittendrigh retires - with a meeting in his honour.