Dolly Parton is an American singer-songwriter and actress who has written thousands of songs, including classics like "Jolene" and "9 to 5" — and "I Will Always Love You," which she wrote and first recorded in 1974, decades before Whitney Houston's cover made it one of the best-selling singles ever. She grew up in a poor family in the Tennessee mountains and became one of the most successful country music artists ever. She has also given away millions of books to children worldwide through a charity she started called the Imagination Library, and donated $1 million toward research that helped develop a COVID-19 vaccine.