Wren’s first major piece of work is the Sheldonian Theatre in Oxford. It took four years to build, finally getting finished in 1668.
Probably his most famous commission, Wren was tasked with rebuilding St Paul’s Cathedral along with 51 new city churches following the Great Fire of London.
The Royal Observatory is the home of the Meridian Line, the place from which all timekeeping devices are measured. Building of the Observatory began in 1675.