Felix Powell was a British composer and musician, best known for his work in the early 20th century. He gained fame for co-writing the popular song "Pack Up Your Troubles in Your Old Kit-Bag" during World War I, which became an anthem for soldiers and their families. His music often reflected the sentiments of the time, combining catchy melodies with uplifting lyrics. In addition to his songwriting, Powell was involved in various musical projects and collaborations. He worked alongside other notable figures in the music industry, contributing to the rich cultural landscape of the era. His legacy continues to influence popular music and is remembered for his contributions to wartime morale.