John Goodricke

From a window in Treasurer's House near this
tablet. the young deaf and dumb astronomer
JOHN GOODRICKE
1764 -1786
who was elected a Fellow of the Royal Society
at the age of 21, observed the periodicity of
the star ALGOL and discovered the variation
of δ CEPHEI and other stars thus laying the
foundation of modern measurement of the Universe

Submitted by @slashdotat