ophardtphotos

ophardtphotos

Forum role	Member since	Last activity	Topics created	Replies created
Member	Aug 26, 2012 (13 years)	-	1	2

Forum role: Member
Member since: Aug 26, 2012 (13 years)
Last activity: -
Topics created: 1
Replies created: 2

Bio

Retired Professor Emeritus Chemistry