Author Archives: Ron Pavellas
Geologic Time and Human Time Intersect in California
Geologists measure time in ‘periods’ and ‘eras’ lasting millions of years. Our current period is The Quaternary Period that began somewhat less than 2 million years ago. Beginning in the Paleozoic Era (544 to 245 million years ago) and ending … Continue reading
John Adams & Thomas Jefferson: From Friendship to Antagonism to Reconciliation
I have already written of the rivalry between Adams and Jefferson for the Presidency of the USA in the year 1800, and on the autobiography of Jefferson. What stimulated my writing of this current article was the arrival of a … Continue reading
The Pavellas Perspective 