- Columbus city, Minnesota is a city, town, place equivalent, or township located in Minnesota. Columbus city, Minnesota has a land area of 44.8 square miles.
- Isaac Roberts (Wikipedia)
Isaac Roberts FRS (27 January 1829 – 17 July 1904) was a Welsh engineer and businessman best known for his work as an amateur astronomer, pioneering the field of astrophotography of nebulae. He was a member of the Liverpool Astronomical Society in England and was a fellow of the Royal Geological Society. Roberts was also awarded the Gold Medal of the Royal Astronomical Society in 1895.