THE INCORPORATORS 195 
viously largely in his behalf, and also became a member of the 
faculty of the Museum of Comparative Zodlogy. ‘These positions 
he retained until his death. His works on “The Climatic 
Changes of Later Geologic Times ” and on the “ Azoic System ” 
Were written during this period. For eight years Professor 
Whitney gave his spare time to assisting his brother William 
D. Whitney in connection with the scientific part of the Century 
Dictionary. 
After thirty-one years of teaching at Harvard, Professor 
Whitney died at Lake Sunapee, New Hampshire, August 19, 
1896. He was buried at Northampton and a glacial boulder of 
rose quartzite of the geological age of the lead district about 
Galena and the rocks of the Upper Michigan which border the 
““ Azoic System,” marks his grave. The highest peak of the 
Sierra Nevada bears his name. 
(See Epwin T. Brewster, “ Life and Letters of Josiah Dwight Whitney,” 
Boston, 1909.) 
JOSEPH WINLOCK 
Born, February 6, 1826; died, June 11, 1875 
Though born in Kentucky, Joseph Winlock was of Virginia 
stock. His grandfather, after whom he was named, was a 
captain in the Revolution and in the War of 1812 held the rank 
of brigadier-general. In the latter war his son, Fielding Win- 
lock, served as his aid. 
Professor Joseph Winlock was educated at Shelby College, 
Kentucky, and was graduated from that institution in 1845. 
His abilities were already so manifest that he at once received 
an appointment as Professor of Mathematics and Astronomy 
from his Alma Mater. In 1851 he became acquainted with “ the 
chief of American mathematicians,” who recognized his intel- 
lectual capacity, and induced him to join the corps of computers 
in the Nautical Almanac Office in Cambridge the following 
year. He served in this capacity until 1857, when he received 
an appointment as Professor of Mathematics in the Naval Ob- 
servatory at Washington. In this position he remained but a 
