I Want to Hold Your Hand was written by John Lennon and Paul McCartney and is one of the Beatles most famous songs. According to band reports, the song was co-written by Lennon and McCartney while they were at Jane Ashers house, where McCartney was living at the time. I Want to Hold Your Hand became an immediate success, topping the charts in several countries, including the United States, where it marked the first time the Beatles reached number ... See more [+] one, helping to start Beatlemania in the US.