Alain Prinzhofer obtained a PhD in structural geology and another in isotopic geochemistry after graduating in engineering from School of Mines of Paris. He first worked on the problem of magma formation and mantle heterogeneities (in the IPGP, Institute of the physics of the Earth of Paris) and on the origin of the solar system (in Caltech, California). He spent 20 years at the IFPEN (French Petroleum Institute and New Energies) studying hydrocarbon gases. After a 3-year experience in an oil company, he devoted 10 years to the study of natural hydrogen. He has published 81 articles in A-rated journals, including 33 devoted to natural hydrogen, two books, 11 patents, has 7522 citations, including 3503 since 2021 (Google Scholar), participated in numerous conferences and presented several international courses.