Sir Christopher Wren PRS FRS (/rɛn/; 30 October 1632 [O.S. 20 October] – 8 March 1723 [O.S. 25 February]) was an English anatomist, astronomer, geometer, and mathematician-physicist, as well as one of the most highly acclaimed English architects in history. He was accorded responsibility for rebuilding 52 churches in the City of London after the Great Fire in 1666, including what is regarded as his masterpiece, St Paul's Cathedral, on Ludgate Hill, completed in 1710.
As a student at Oxford, Christopher Wren was at the dissection of Anne Greene, hanged for infanticide, that was called off when the medical men realized she was still alive. He left a poem about her hanging and revivalChristopher Wren in Wikipedia