Antoine BECQUEREL (1788-1878), physicist. 4 L.A.S., 1858 and n.d., to chemist Edmond Frémy (1814-1894), professor at the Muséum; 5pages in-8, one address. Having to go to the funeral of M. Geoffroy, he will not be able to receive the person in charge of putting his notes in order. He comments on a successful recommendation he made. One letter relates to a temporary quarrel between the two scholars. "The wording you propose smoothes out all the difficulties, since each of us retains all our rights. It is unfortunate that you did not think of it sooner, for you would have avoided clouds between us, which fortunately have now dissipated, and of which there will be no trace left to disturb our friendly relations [...]".