Jean Leurechon

''Récréations mathématiques'', 1642 Jean Leurechon (c. 1591 – 17 January 1670) was a French Jesuit priest, astronomer, and mathematician, known for inventing the pigeonhole principle and naming the thermometer. Provided by Wikipedia
6
by Leurechon, Jean
Published 1633
Book
9
by Leurechon, Jean
Published 1674
Book