Thomas Tompion, clock maker, 1639 - 1713.
Site: 8 Clockmakers' plaques (8 memorials)
EC1, St John's Lane, 33, Watchmaker Court
The plaques read left to right chronological by birth date.
This modern building sports a clock (of course) with Roman numeral hours and, on the side, "XXXIII" or 33, the street number.