Wrote postcard letters to Editor of Christian Science Monitor, 50% published, 1959-1964.

Wrote regular much longer "Outlooks Columns" for Cedar Rapids Gazette on a monthly basis for many years.

Wrote first 250 essays during a multifaceted first Coe College sabbatical in 1974, rate of wrting since has been fairly steady.

System of essays was expanded during subsequent sabbaticals; developed an early disk-oriented distribution system.

Made the System of Essays available to Coe College students on paper and campus computer system in early 1900s.

Worked on Essays System as Visiting Professor of Physics and Science Education at University of Iowa in fall 1993.

Presented Essays System at international scientists' conference "Einstein Meets Magrite" in Brussels, Belgium in 1993.

Made the Essays System available on the World-Wide-Web in 1995, for download and local installation only.

Made the Essay System available for live use over the World-Wide-Web in late 2004 and early 2005.

Number of essays included and facilities for finding essays have been expanded during the year 2005.

Rate of daily visits to essayz.com has grown at about 200% per year during 2004 and 2005 to about 240 visits/day.
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