Charles Henry Brian (Bill) Priestley, AO FAA FRS (8 July 1915 – 18 May 1998) was a British meteorologist who spent much of his career at the CSIRO in Australia.
[2] He was educated at Cambridge University, where he graduated with first class honors in Applied Mathematics in 1937 and in Economics a year later.
In 1943 he was transferred to the upper-air unit and helped prepare the D-Day weather forecast.
[3] Priestley served on the committee of the World Meteorological Organization from 1964 to 1969 and as chairman in 1968.
[2] He retired from the position in 1972 to become Chairman of CSIRO's Environmental Physics Research Laboratories from 1973 to 1977 and then part-time Professor of Mathematics at Monash University.