On April 20, 1980 'I Wish I Was Eighteen Again' by George Burns peaked at #49 on Billboard's Hot Top 100 chart; it had entered the Top 100 on January 19th, 1980 and spent 10 weeks on the chart. When the song peaked at #49 George Burns was exactly 84 years and 3 months old, thus becoming the oldest person to make Billboard's Hot Top 100.  Mr. Burns passed away on March 9th, 1996 at the age of 100. May he R.I.P.