J. N. Maskelyne illusionist and watchmaker (1839-1917; born Whitehart Street) lived and worked here

Photo of John Nevil Maskelyne blue plaque
sleepymyf on Flickr

12 Rotunda Terrace, Montpellier, Cheltenham
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by Cheltenham Civic Society and Ogle Fine Arts on 10 June 1989

Colour: blue

Wikimedia:

Flickr:

See also...
Photo of John Nevil Maskelyne brass plaque
sleepymyf on Flickr