This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
JosephHamiltondrinkingradiosodium. Dr Joseph Gilbert Hamilton drinking radioactive sodium Joseph Hamilton drinking radiosodium in January and Marshak right Soon after he began his search for useful radioisotopes Lawrence had the good luck to make sodium efficiently by bombarding rock salt with deuterons The new substance runs through