Complex sentence: In 1847 he traveled Europe, returning to set up his practice at 20, joining Isiah Rogers (1800-1896) who came to Cincinnati to help rebuild Burnett House hotel after a fire, and William Tinsley, who was in Cincinnati beginning in 1851.
Split into simpler sentences: In 1847 he traveled in Europe, returning to set up his practice at 20. Other architects in Cincinnati at the time included Isiah Rogers (1800-1896) who came to Cincinnati to help rebuild Burnett House hotel after a fire, and William Tinsley, who was in Cincinnati beginning in 1851.