Mom loved him. You love him. Prince performing in 1985. Ron Wolfson/Landov hide caption

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Top hits 1980-1984 from the study: can you name them?

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Dale Irby in 1973 (left) when his streak began, and in 2012, when the last of his 40 wonderful school photos was taken. Courtesy of Dale Irby and The Dallas Morning News hide caption

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Dylan Young, then 18, posed for a photo as a vehicle cruised by North Arlington, N.J., in June 2012. Young was in a fender-bender accident caused by being distracted while texting and driving. Julio Cortez/AP hide caption

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