Isaac Watts was an English theologian, poet, and hymn writer who lived from 1674-1748. He is known for writing over 600 hymns, many of which are still sung in churches today. Some synonyms for Isaac Watts could be: hymn writer, poet, religious writer, Christian author, hymnal composer, sacred music composer, or church lyricist. Watts' hymns were widely popular because they were easy to sing and had memorable melodies, making them accessible to all people, regardless of their level of musical ability. His contributions to Christian music continue to resonate today, as his work remains an important part of worship in many churches around the world.