Ralph Johnson (computer scientist)

Ralph E. Johnson is a Research Associate Professor in the Department of Computer Science at the University of Illinois at Urbana-Champaign. He is a co-author of the influential computer science textbook Design Patterns: Elements of Reusable Object-Oriented Software, for which he won the 2010 ACM SIGSOFT Outstanding Research Award.^[2] In 2006 he was awarded the Dahl–Nygaard Prize for his contributions to the state of the art embodied in that book as well.^[1]

Ralph E. Johnson
Occupation	Research Associate Professor
Known for	Design Patterns, JUnit, Eclipse, Visual Studio Online "Monaco", Visual Studio Code
Awards	2010 ACM SIGSOFT Outstanding Research Award 2006 Dahl–Nygaard Prize[1]
Scientific career
Institutions	University of Illinois at Urbana-Champaign
Website	cs.illinois.edu/directory/profile/rjohnson

Johnson was an early pioneer in the Smalltalk community and is a continued supporter of the language. He has held several executive roles at the ACM Object-Oriented Programming, Systems, Languages and Applications conference OOPSLA. He initiated the popular OOPSLA Design Fest workshop.