Jan Hedrick de Boer 
1899-1971
| He was a chemist at Eindhoven in the Netherlands, later Professor of chemistry at the University of Delft. With van Arkel at Philips Laboratory in Eindhoven, he developed a method of preparing pure metals using the iodide or crystal bar process; first prepared metallic hafnium in 1925. | ||
|   
  | 
      
 Copyright 2018, Dr. James L. Marshall and Virginia R. Marshall
    All Rights Reserved.