DescriptionEduard Grüneisen cropped from Solvayconference1913 photo.jpg Second SolvayConference on Physics, Brussels, 1913 Date 1913 Source http://www.solvayinstitutes
DescriptionRutherford solvay1913.jpg Ernest Rutherford Date 1913 Source Crop of 1913Solvayconference.jpg Author Unknown authorUnknown author Permission