1799 – He was born in Taunton, Massachusetts.
1822 – He graduated Brown University, and entered the Baptist ministry.
1828 – He was professor of mathematics and natural philosophy in Brown University.
1850 – He was professor of mathematics and astronomy.
1857 – He was one of the founders of the American Association for the Advancement of Science and served as its President.
1986-1872 – Professor Caswell was president of Brown University.
1877 – Alexis Caswell died.