What are the Links between John Dee's Angel Visions and Experimental Psychology at Harvard? The Answer lies in Collections at Cambridge University. https://t.co/MxexBIG0sh pic.twitter.com/rAYJfd4PYE

— Andreas Sommer (@Sommer_HPS) April 17, 2019

from http://twitter.com/Sommer_HPS
on: April 17, 2019 at 03:42PM

The man who tried to photograph thoughts and dreams. Interesting piece by @Josh_Gabbatiss http://j.mp/2iY8cRZ http://pic.twitter.com/WGXb7yD2m8

— Andreas Sommer (@Sommer_HPS) January 19, 2017

from http://twitter.com/Sommer_HPS
on: January 19, 2017 at 03:32PM