Jean-François Denisse
French astronomer
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(Suggest an Edit or Addition)According to Wikipedia, Jean-François Denisse was a French astronomer and one of the leading pioneers of radio astronomy in France. Education and career Jean-François Denisse matriculated in 1936 at the École Normale Supérieure and in 1941 passed the agrégation in physical sciences. He then became a physics teacher at Dakar's lycée . Upon his return to France in 1946, he became a graduate student studying radio astronomy in the physics laboratory of ENS Paris. From 1948 to 1949 he studied the science and technology of antennas and receivers at the National Bureau of Standards in Washington, DC. He received his doctorate in 1950. His thesis, supervised by Yves Rocard, dealt with solar activity involving the propagation of waves in plasmass. In 1947 at ENS Paris, Rocard founded a group for the study of radio astronomy. The first two to join Rocard's group were Denisse and Jean-Louis Steinberg, followed shortly afterward by Émile-Jacques Blum. From 1951 to 1953 as an intermittent visiting scientist at Dakar's École des Hautes Études , Denisse led members of his group as they made African solar observations, particularly during partial eclipses. In 1953 the group on radio astronomy moved to the Paris Observatory in Meudon, and Denisse became the head of the group. He was from 1954 to 1968 employed at the Paris Observatory and was from 1963 to 1968 the observatory's director, as the successor to André-Louis Danjon. Denisse was from 1955 to 1961 the president of the IAU Commission 40 for Radio Astronomy. He supervised the creation of the Paris Observatory's Station de Radioastronomie de Nançay. The station's first large instrument, a solar internee rometer, was completed in 1956. Denisse directed the construction of the station's large radio telescope, which was completed in 1967. This radio telescope, one of the world's largest, is still in operation.
