In 1964, all mankind celebrates the four hundredth anniversary of the birth of the great Galileo, whose name stands next to Archimedes, Newton, Einstein. The passionate struggle of Galileo for the approval of the heliocentric system of the world of Copernicus against the heliocentric system of Ptolemy his telescope and astronomical discoveries, his laws of falling bodies, Destroyed the mechanics of Aristotle, its exceptional role in the development of a new scientific worldview is well-known. Scientists of our country deeply honor the memory of Galileo . In the military, 1942, the jubilee meeting of the Academy of Sciences of the Soviet Union was held on the occasion of the three-hundredth anniversary of the death of the great scientist. A report on Galileo's work in optics was made by Academician C. K. Vavilov; Academician A. N. Krylov spoke about Galileo as the founder of mechanics, and N. and . Idelson made a report on his astronomical discoveries and worldview. A year later, a book on Galileo was published, with articles by these scholars and a new translation of Galileo's letter to Francesco Ingoli ..