French physicist Pierre Curie died #OTD in 1906.
He and Marie Curie, along with Henri Becquerel, were awarded the Nobel Prize in Physics in 1903 for their joint research on radiation phenomena. In 1898, he isolated the radioactive elements polonium and radium from pitchblende ore, a significant achievement that helped expand the understanding of the nature of radioactive decay. He tragically died in a street accident.
Books by Pierre Curie at PG:
https://www.gutenberg.org/ebooks/69635