[Illustration]
BEING THE NOBEL PRIZE ADDRESS DELIVERED BEFORE THE ROYAL SWEDISH ACADEMY OF SCIENCES AT STOCKHOLM, 2 JUNE, 1920
[Illustration]
From The Origin and Development of the Quantum Theory by Max Planck.
[Illustration]
BEING THE NOBEL PRIZE ADDRESS DELIVERED BEFORE THE ROYAL SWEDISH ACADEMY OF SCIENCES AT STOCKHOLM, 2 JUNE, 1920
[Illustration]