Autor: G. Contopoulos

The three years since the Brighton General Assembly have been the most active period in the history of the Union. 33 IAU Symposia and Colloquia, the first Regional Meeting under the Auspices of the …

The year 1973 marked the highest peak of IAU activity up to now. Besides the Gen- eral Assembly in Sydney, and the Extraordinary General Assembly in Poland, there were held eleven IAU Symposia and …

The idea of the organization of a Symposium on Spiral Structure came at a special meeting of Commission 33 on Spiral Structure during the 12th General Assembly of the IAU in Prague, 1967. So much …