Donati
GIAMBATTISTA (dō-nä' tē), an Italian astronomer; born in Pisa, in 1826; was appointed in 1852 assistant at the observatory in Florence, of which he became director in 1864. Here he discovered, inter alia, the brilliant comet of 1858, which is known as Donati's comet.
He afterward was instrumental in erecting the fine observatory at Arcetri, near Florence, and constructed a spectroscope of 25 prisms. He died Sept. 20, 1873.
DONATELLO