Professor Clayton Lewis received his PhD in 1978 in Experimental Psychology from the University of Michigan. After working at IBM in various capacities from 1968 to 1984, Professor Lewis joined the Department of Computer Science at the University of Colorado Boulder in 1984, where he served as Associate Professor (1984-1992) and Professor (1992-2021), and now serves as Emeritus Professor of Computer Science. Professor Lewis has received many honors throughout his career. Professor Lewis was inducted …