Welcome!
Present
What I do (updated May 2026)
• My principal interest is geology; but, more generally, I explore natural history and science
• I write a lot. Mostly in my Notes blog, often about books I'm reading; I also write essays
• I'm an avid reader. See my book club's website; and the aforementioned Notes blog
• I also hike, run, garden, and cook.
I welcome notes from friends, colleagues and, really, anyone who cares to write: 
.
Past
What I did
• I retired in 2018 after 3+ decades in R&D (SPI, Apple, IBM).
• I studied and designed novel interactive systems, drawing on
sociology, rhetoric, architecture, and urban design.
I do not consult; nor do I do reviews.
If you're interested in my professional life, here's a one-page bio and a CV
If you are looking for copies of publications or more information:
• Research lists topics I pursued, some of my favorite papers, and a few project archives.
• Publications provides a comprehensive list of my papers and patents, and links to copies.
• A handful of slide shows can be found on slideshare.
My Blogs
Notes: Notes on books, trips, classes, &c. Not polished, but could be interesting to anyone.
Journal: On daily life; essay-lets. Written for myself; perhaps of interest to friends.
Words: Notes for myself regarding my own writing; unlikely to be of interest to others.
Sampler: View a random excerpt from each of the four blogs.
Essays: Essays and other writing. Private, but email me if you're interested and I'll no doubt give you access.
Quotes
I Like
