50th Anniversary

New: 50 Years of OHE Publications Are Available Online

2 April 2012

Today we celebrate OHE’s 2 April 1962 founding with the launch of our new archival website, ohematerials.org. This site contains OHE’s publications from 1962-2002. The most…

Join Us in Our 50th Anniversary Celebration!

7 February 2012

OHE has a number of exciting events and plans for 2012. Details in the full post.