Heralds of Mathematics

105. This work is the first part of an uncompleted larger series on geometry.

This is the first edition of the official manual of the metric system and the first description of the system as it exists today.

110. Jakob Bernoulli was the first in a famous family of Swiss mathematicians.

111. Euler, a Swiss mathematician who spent most of his life working in St. Petersburg, Russia, was a prolific author and one of the founders of pure mathematics.

112. Born in Italy, La Grange spent most of his life in France and was the leading contributor in the fields of number theory and celestial mechanics.

108. Fermat, along with Descartes, was one of the leading mathematicians of the early 17th century.