who wrote the original rudolph the red-nosed reindeer song

The original version of "Rudolph the Red-Nosed Reindeer" was written by Johnny Marks in 1948, based on the story written by his brother-in-law Robert L. May. The song quickly became a Christmas classic and has since been covered by numerous artists and adapted into various forms of media. It is widely regarded as one of the most popular Christmas songs of all time.