Robert Tower Knight was a master builder elected to the Carpenters' Company in 1833. His father and brother, both named Daniel, were members of the Carpenters' Company. Robert and his brother were the contractors for building the Philadelphia Contributionship for the Insurance of Houses from Loss by Fire on S. 4th street. They also built a mansion for Thomas Butler at 13th and Walnut in 1837. This building later became the Philadelphia Club. Robert Knight was fined 10$ in 1857 for resigning his secretary elect position in the Carpenters' Company. His son, Daniel Ridgeway Knight became a famous American artist in the second half of the 1800s. Robert Knight died in 1873.