Frances Jane Crosby (1820-1915), usually known as Fanny Crosby, was an American lyricist best known for her Protestant Christian hymns. She was one of the most prolific hymnists in history, writing over 8,000 hymns, despite being blind from shortly after birth. Also known for her preaching and speaking, during her lifetime Fanny Crosby was one of the best known women in the United States.