Katherine K. Davis was a composer, pianist, and author of the famous Christmas tune "The Little Drummer Boy".
She was born in St. Joseph, Missouri, on June 25, 1892, and composed her first piece of music, "Shadow March," at the age of 15. She graduated from St. Joseph High School in 1910, and studied music at Wellesley College in Massachusetts. After her graduation, she continued at Wellesley as an assistant in the Music Department, teaching music theory and piano. At the same time, she studied at the New England Conservatory of Music in Boston.