Certainly!
Definition: Thomas Tallis is a proper noun, specifically the name of an English composer and organist who lived from around 1505 to 1585. He is known for his church music and secular (non-religious) compositions. Tallis, along with another composer named William Byrd, was granted a special permission to print music, which was a significant achievement in his time.
Thomas Tallis is an important figure in music history, particularly known for his contributions to church music.