John Dalton 1766-1844 taught natural philosophy and mathematics at the Academy on this site 1793-1800. His Atomic Theory was first presented on 21st October 1803 to the Manchester Literary and Philosophical Society of which he was President 1816-1844

Frankie Roberto on Flickr
Frankie Roberto on Flickr
See also...
Nick Harrison on Flickr
gnomonic on Flickr
Nick Harrison on Flickr
flipflopnick on Flickr
Nick Harrison on Flickr