While Louis was primarily a theoretician , Maurice himself was always the experimental physicist par excellence .
After Louis de Broglie 's rise to prominence in the 1920s , building on some of their shared research , the elder de Broglie physicist continued his own research .
While Louis was primarily a theoretician , Louis de Broglie himself was always the experimental physicist par excellence .
After Louis de Broglie 's rise to prominence in the 1920s , building on some of their shared research , the elder de Broglie physicist continued his own research .