Welcome, Eph Stamp-lovers to the exciting world of Philately! Yes “lickin’ and stickin” grows in popularity every year. So let’s just jumpr right in!

The metric system has evolved from the French (“metre”)units of 1790 to be officially recognized by the Eleventh General Conference on Weights and

Measures as the International System of Units (SI) in 1960. This note brings together brief biographical notes of the scientists for whom many SI units are named, along with reproductions of postage stamps from around the world that

have been issued to honor these men.