What French man did technical drawings of a buildings?
Architectural drawing An architectural drawing or architect's drawing is a technical drawing of a building (or building project) that falls within the definition of architecture. Architectural drawings are used by architects and others for a number of purposes: to develop a design idea into a coherent proposal, to communicate ideas and concepts, to convince clients of the merits of a design, to enable a building contractor to construct it, as a record of the completed work, and to make a record of a building that already exists.
Ernest Sanson Paul Ernest Sanson (Paris, 12 May 1836 – Paris, 15 January 1918) was a French architect trained in the Beaux-Arts manner.