David Ungar

American computer scientist, co-creator of the Self programming language — which directly influenced JavaScript and modern language design. In Stanford, he taught programming languages and computer architecture, from 1985 to 1990. In 1991, he joined Sun Microsystems and became a distinguished engineer. In 2006 he was recognized as an ACM Distinguished Engineer and in 2010 a Fellow.[1] From 2007 to 2017, he worked at IBM Research, where he was a member of the Dynamic Optimization Group, and investigated new paradigms including ensemble and subjective programming. From 2017 to 2022, he worked at Apple, where he sped up Swift language compilation. Currently retired, he builds apps for his personal use on various Apple platforms. Ungar holds over 20 US patents.