Louis Ancel
died 1922
Louis Ancel was an engineer of arts and manufactures in Paris. He signed himself as "Louis Ancel, Ingénieur E.C.P." This indicated that he had studied at the École Centrale Paris, or to give its full name, the École Centrale des Arts et Manufactures.
Ancel's business was Laboratoires ELLA. It produced electrical and radio devices as well as spectroscopes, radiography instruments using radium, wireless telegraphy apparatus, coils, and X-ray materials.
Louis Ancel was a frequent contributor to meetings of the Société française de physique. Upon his death in 1922, he bestowed some 10,000 francs to the society to endow an annual reward to a French physicist working in the field of condensed matter.
Ancel's business was Laboratoires ELLA. It produced electrical and radio devices as well as spectroscopes, radiography instruments using radium, wireless telegraphy apparatus, coils, and X-ray materials.
Louis Ancel was a frequent contributor to meetings of the Société française de physique. Upon his death in 1922, he bestowed some 10,000 francs to the society to endow an annual reward to a French physicist working in the field of condensed matter.