In Act Two this week http://www.newsday.com/business/custom/retirement/, we see and hear from Baby Boomers who have 'discovered' tattoos in later life.
But tattoos have been around a long, long time. Here's some history on them:
http://www.designboom.com/history/tattoo_history.html
http://www.tattoos.com/jane/steve/toc.htm
http://www.powerverbs.com/tattooyou/history.htm
--Noel Rubinton