B. Blackburn, edited a periodical entitled The Weekly Entomologist, published at twopence a number from August 1862 to November 1863.
[1] After spending three months at Oxford, where moved, Geldart went to Manchester Grammar School, then under the mastership of Frederick William Walker.
[2] He went abroad, and spent time at Athens, where he occupied himself as a teacher, and acquired a knowledge of the language and culture of modern Greece.
Two years later he took a curacy at St. George's Church, Everton, Liverpool, but did not retain it long: his religious views underwent a change, and in 1872 he joined the Unitarians.
He then moved to Croydon, where, after officiating as substitute for Robert Rodolph Suffield at the Free Christian Church, he was appointed pastor.
At the end of his life he developed socialist opinions, became active in the Social Democratic Federation, and lost the confidence of some of his congregation.