Description: (Italian Astronomer Who Was First To Observe the Spectrum of a Comet)
Giovanni Battista Donati was an Italian astronomer considered a pioneer in the spectroscopic study of the stars, the Sun, and comets. He worked in the Observatory of Florence for several years, becoming its director in 1864. He published a memoir in which he discussed the feasibility of a physical classification of the stars. He discovered the spectacular Comet Donati.