N'otu aka ahụ, a na-akpọkwa ya ọgba aghara nke Priestley (nke a makwaara dị ka ọgba aghara nke Birmingham nke 1791) na Birmingham, England, site na July 14 ruo July 17, 1791; ndị isi ndị na-eme ọgba aghara bụ ndị na-ekweghị ekwe, ọkachasị Joseph Priestley nke na-ese okwu na ndọrọ ndọrọ ọchịchị na nkà mmụta okpukpe.
Joseph Priestley