Horace Parnell Tuttle died in 1923.
Horace Parnell Tuttle was born in 1837.
The Swift-Tuttle comet was discovered independently by astronomer Lewis Swift and astronomer Horace Parnell Tuttle in July 1862. They both observed the comet within days of each other, leading to its dual attribution to their names. Swift and Tuttle's discovery is significant as the comet is the source of the Perseid meteor shower.
Comet Swift-Tuttle was discovered on July 16, 1862 by astronomers Lewis Swift and Horace Tuttle independently.
Fanny Parnell died in 1882.
Arthur Parnell died in 1935.
Red Parnell died in 1954.
Parnell Gale died in 1818.
Evelyn Parnell died in 1939.
Thomas Parnell died in 1718.
Leona Tuttle died in 2007.
Herbert Tuttle died in 1894.
Karen Tuttle died in 2010.