Apr 16, 2015 — By ¾ÅÉ«ÊÓƵ News Services — ¾ÅÉ«ÊÓƵ will host Watkins Visiting Professorship guest lecturer Les Johnson for two lecture events: first for the scientific community at 2 p.m., Wednesday, April 22, in Jabara Hall (Room 128); then for a public talk at 4 p.m. Thursday, April 23, in Lindquist Hall (Room 100).