2 examples of langevin in sentences

Amouroux, Ant. Arnaud, Assy, Babick, Billioray, Clément, Champy, Chardon, Chalain, Demay, Dupont, Decamp, Dereure, Durant, Delescluze, Eudes, Henry Fortuné, Ferré, Gambon, Geresme, Paschal Grousset, Johannard, Ledroit, Langevin, Lonclas, Mortier, Léo Meiller, Martelet, J. Miot, Oudet, Protot, Paget, Pilotel, Félix Pyat, Philippe, Parisel, Pottier, Régère, Raoul Rigault, Sicard, Triquet, Urbain, Vaillant, Verdure, Vésmier, Viart.]

" "Good heavens!" remarked Sir Hector Langevin to the late Sir John A. Macdonald, "how did the reporter know that!"

2 examples of  langevin  in sentences