Proudly serving the scientific community for over a century, this 96th edition is an update of a classic reference, mirroring the growth and direction of science for a century. This venerable work continues to be the most accessed and respected scientific reference in the world. An authoritative resource consisting of tables of data, its usefulness spans every discipline. The latest edition contains new and significantly updated tables and honors four historical figures in science. It is available in eBook and online formats as well as the traditional print format.