OldSchoolCool: Great-grandfather in the 1940's, Grandfather in the 1960's, Father in the 1980's, and me in 2015.

http://imgur.com/mWdyBtI via /r/OldSchoolCool http://www.reddit.com/r/OldSchoolCool/comments/3g1zy2/greatgrandfather_in_the_1940s_grandfather_in_the/