Back from Grand Rapids
The research guides discussed in my "seeing the patterns" lecture can be found here:
The chart used to determine an approximate date of birth date based upon ages in various records can be seen here:
And I heard someone say that "only a math person would do that." They might also have said "only a man would do that," I'm not exactly certain (grin).
One comment that was sent to me about the seminar is reproduced here (in part):
"Thank you so much for sharing your wisdom and humor with us today in Grand Rapids. Your were excellent and your resources are great. "