Plant Sciences Professor David Headrick is retiring after 27 years of teaching at Cal Poly. Join the Plant Sciences Department in celebrating his tenure and wishing him farewell on Saturday, Dec. 7. A cocktail hour will be held from 5 to 6 p.m., followed by dinner and an open mic. Bring your stories and fondest memories to share. RSVP by Friday, Nov. 29. You can also submit a message on a kudos board to that will be shared with him.