Roger Cayrel
Roger Victor Émile Cayrel (4 December 1925 – 11 January 2021) was a French astronomer. His main interests were stellar atmospheres, galactic chemical evolution and metal-poor stars.
Roger Victor Émile Cayrel (4 December 1925 – 11 January 2021) was a French astronomer. His main interests were stellar atmospheres, galactic chemical evolution and metal-poor stars.