Ellen Richards: Revision history

Jump to navigation Jump to search

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

1 February 2009

7 March 2008

26 February 2008

  • curprev 09:4509:45, 26 February 2008imported>G. V. Palazzolo 730 bytes +730 New page: '''Ellen Henrietta Swallow Richards''' (1842-1911) was a prominent American chemist best-known for pioneering domestic science or home economics. She also undertook the first water safety ...