Stream, Download, Share, and Modify
23rd April 1928: German theoretical physicist Max Planck (1858 - 1947), who formulated the quantum theory and was awarded the Nobel prize for Physics in 1918. (Photo by Hulton Archive/Getty Images)
© 2016 PBS & WGBH Educational Foundation.
All rights reserved.
You must be logged in to use this feature
Assign directly to your students using the code or link above, without having them log in. Simply tell your students to go to
www.pbsstudents.org and enter the Assignment Code, or click on the Assignment URL to share the assignment as a link.