High Quality Content by WIKIPEDIA articles! Sir Nicolas Conyngham Tindal (12 December 1776 – 6 July 1846) was a celebrated English lawyer who successfully defended Queen Caroline at her trial for adultery in 1820. As Chief Justice of Common Pleas, an office he held with distinction from 1829 to 1846, he was responsible for the inception of the special verdict "Not Guilty by reason of insanity" at the trial of Daniel M’Naghten.