The University of ÃÛÌÇÖ±²¥ at Boulder will sponsor a program of memorial events Friday, Oct. 24, in honor of Keith Roberts Porter, founder and first chair of ÃÛÌÇÖ±²¥Â’s department of molecular, cellular and developmental biology. Porter died May 2, in Bryn Mawr, Pa., from complications of ParkinsonÂ’s disease. He was 84.