Simplify the following text for a Grade 10 native English-speaking person.
Original: Peter Dennis Blandford `` Pete '' Townshend ( ; born 19 May 1945 ) is an English rock guitarist , vocalist , songwriter and author , known principally as the guitarist and songwriter for the rock group The Who , as well as for his own solo career .
Simplified: Peter Dennis Blandford `` Pete '' Townshend ( born 19 May , 1945 ) is an English rock musician , songwriter and author best known as the founder of the band The Who .