French lawyer, born at Grenoble; president of the French Constitutional Assembly in 1780; one of the trio in the Assembly of whom it was said, "Whatsoever those three have on hand, Dupont thinks it, Barnave speaks it, Lameth does it;" a defender of the monarchy from the day he gained the favour of the queen by his gallant conduct to her on her way back to Paris from her flight with the king to Varennes; convicted by documentary evidence of conspiring with the court against the nation; was guillotined (1761-1793).