Jelaskan Designers, builders and craftsmen dari Katedral St Paul dalam bahasa melayu

During the extensive period of design and rationalisation Wren employed from 1684 Nicholas Hawksmoor as his principal assistant. Between 1696 and 1711 William Dickinson was measuring clerk. Joshua Marshall (until his early death in 1678) and Thomas and his brother Edward Strong were master masons, the latter two working on the construction for its entirety. John Langland was the master carpenter for over thirty years. Grinling Gibbons was the chief sculptor, working in both stone on the building itself, including the pediment of the north portal, and wood on the internal fittings.  The sculptor Caius Gabriel Cibber created the pediment of the south transept while Francis Bird was responsible for the relief in the west pediment depicting the Conversion of St Paul, as well as the seven large statues on the west front. The floor was paved by William Dickinson in black and white marble in 1709–10  Jean Tijou was responsible for the decorative wrought ironwork of gates and balustrades. The ball and cross on the dome were provided by an armorer, Andrew Niblett.