Le physicien théoricien André Martin en discussion avec le physicien expérimental Antonio Zichichi

At that time, Antonino Zichichi office was opposite to André Martin's in buiding 4 on the 1st floor. The album shows a discussion about the Froissart Bound (the fact that total cross sections cannot increase faster than log s square) that Martin derived from first principles, and for which there are experimental indications that it is saturated.