De·bierne(dəb-yĕrn′), André 1874-1949.
French chemist. He discovered actinium in 1900, and in 1910 he collaborated with Marie Curie to isolate pure radium.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.