Josh Mitteldorf, a senior editor at OpEdNews, blogs on aging at http://JoshMitteldorf.ScienceBlog.com. Read how to stay young at http://AgingAdvice.org.
Educated to be an astrophysicist, he has branched out from there to mathematical modeling in a variety of areas, including evolutionary ecology and economics. He has taught mathematics, statistics, and physics at several universities. He is an avid amateur pianist, and father of two adopted Chinese girls, now grown. He travels to Beijing each year to work with a lab studying the biology of aging. His book on the subject is "Cracking the Aging Code", http://tinyurl.com/y7yovp87.