Wilbur Norman Christiansen

Wilbur Norman "Chris" Christiansen (9 August 1913 – 26 April 2007) was a pioneer Australian radio astronomer and electrical engineer.

[5] Educated at Caulfield Grammar School from 1921 to 1930,[6] he entered the University of Melbourne in 1931, reading Science, and was associated as a non-resident student with Trinity College, where he won an Exhibition in 1932.

[11] Christiansen built the first grating array for scanning the sun at the radio astronomy field station at Potts Hill, New South Wales.

documents turned over to the Australian authorities by Vladimir Petrov, but also had been of such interest to the Russians that they had given him the unique code name of "Master".

; and, in the process of his examination, the counsel assisting the Commission, George Pape, produced statements from both Mr. and Mrs. Petrov asserting that Christiansen was not known to them at all.