The following article contains an answer for the question: What is the full name of the man that said "With Peterloo, and the departure of Regency England, parliamentary reform had come of age."? , can you please find it? 

For a few months following Peterloo it seemed to the authorities that the country was heading towards an armed rebellion. Encouraging them in that belief were two abortive uprisings, in Huddersfield and Burnley, during the autumn of 1819, and the discovery and foiling of the Cato Street conspiracy to blow up the cabinet that winter. By the end of the year, the government had introduced legislation, later known as the Six Acts, to suppress radical meetings and publications, and by the end of 1820 every significant working-class radical reformer was in jail; civil liberties had declined to an even lower level than they were before Peterloo. Historian Robert Reid has written that "it is not fanciful to compare the restricted freedoms of the British worker in the post-Peterloo period in the early nineteenth century with those of the black South African in the post-Sharpeville period of the late twentieth century."One direct consequence of Peterloo was the foundation of the Manchester Guardian newspaper in 1821, by the Little Circle group of non-conformist Manchester businessmen headed by John Edward Taylor, a witness to the massacre. The prospectus announcing the new publication proclaimed that it would "zealously enforce the principles of civil and religious Liberty ... warmly advocate the cause of Reform ... endeavour to assist in the diffusion of just principles of Political Economy and ... support, without reference to the party from which they emanate, all serviceable measures."Events such as the Pentrich rising, the March of the Blanketeers and the Spa Fields meeting, all serve to indicate the breadth, diversity and widespread geographical scale of the demand for economic and political reform at the time. Peterloo had no effect on the speed of reform, but in due course all but one of the reformers' demands, annual parliaments, were met. Following the Great Reform Act of 1832, the newly created Manchester parliamentary borough elected its first two MPs. Five candidates including William Cobbett stood, and...

R J White