Much of Theaetetus' life is unknown, but you will find he impacted mathematics and his fellow mathematicians greatly.

This site provides a detailed biography of the great Russian mathematician, Sonya Kovalevsky.

Excellent discussion of the life and work of this great scientist and mathematician. Describes his range of interests and notes his many contributions. Please note that ?The Catholic Encyclopedia? is a historic reference source and...

This site contains a short biography of Tycho Brahe. This is a great source for biographies of mathematicians and scientists.