[2][3][4] He graduated from the University of Toronto with a BASc in 1967, an MASc in 1969, and a Ph.D. in Atmospheric Physics and Spectroscopy in 1972, and from the School of Engineering, Bilbao with a Dr. Ing.
It has also appeared in the movie Dante's Peak and the BBC documentary Surviving St. Helen's, and remains widely used in Volcanology.
[6] In 1972, Millán began working for the National Meteorological Center of Canada, responsible for the study of contaminant dispersion in the atmosphere.
From 1974, he was named adviser “ad personam” of the European Community, choosing the science priorities of the 3rd, 4th, 5th and 6th Marco programs.
This was fundamental for the realisation that atmospheric contamination is not limited by the small area in which it is produced, but affects – to varying degrees – the entire planet.