Njideka Akunyili Crosby, whose art negotiates the cultural terrain between her adopted home in the United States and her native Nigeria through collage and photo transfer-based paintings, will give the seventh annual UC Davis Betty Jean and Wayne Thiebaud Endowed Lecture on Nov. 12 at 4:30 p.m. This year’s free online lecture celebrates art professor emeritus Wayne Thiebaud’s 100th birthday on Nov.