In 2014, he received the Franklin-Lavoisier Prize for his writings on the history of the international chemical industry.

[5] Aftalion became an engineer with Hercules Inc., working in the United States and Latin America.

[5] In 1956, he became manager of the Société Française d’Organo-Synthèse (SFOS), a specialty chemicals company which was part of the French pharmaceutical house Laboratoire Roger Bellon.

[9] He was vice-president of ALEPS, the Association pour la Liberté Economique et le Progrès Social (Association of Liberal Economists)[2] He spoke and wrote on economic and political issues[3] from a viewpoint of Economic liberalism via ALEPS[3] and Radio Courtoisie.

Aftalion received the 2014 Franklin-Lavoisier Prize for his writing on chemistry, industry and society.