st-www.cs.uiuc.edu 
Ralph is interested in all kinds of patterns.
He wrote Active Object Model and Transactions And Accounts and is still working on related topics. Please send comments on them to mailto:johnson@cs.uiuc.edu, or leave comments in-line.
He is also working on the Pattern Stories Wiki and would like to promote the On Line Computer Museum.
Interesting pages:
List of papers computed by ACM: portal.acm.org
See bookshelved.org
Ralph has been an active contributor to this site. As with many of the early Wikizens, he is busy in other ways and does not visit here often. We thank Ralph for his contributions none the less. -- Ward Cunningham
2005-July-30: ACM's Special Interest Group on Programming Languages (SIGPLAN) recently awarded the 2005 Programming Languages Achievement Award to Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides (known as the Gang Of Four) for their creation of the Design Patterns Book.
See original on c2.com