John Bicknell solicitor to the Admiralty and the Prince Regent, became father-in-law to John Constable. His eldest daughter Maria Elizabeth Bicknell married Constable in 1816. John Bicknell John Bicknell, the elder (baptised 1746 – 1787) was an English barrister and writer. He was co-author with Thomas Day of the abolitionist poem "The Dying Negro" from 1773. Bicknell has also been credited with "Musical Travels through England", a pseudonymous satire on Charles Burney. The second son of Robert Bicknell of the Inner Temple, he was admitted to the Middle Temple in 1761. He was called to the bar at Lincoln's Inn in 1769.
Elhanan Bicknell prices quoted are nearly all for pictures from famous collections; and some for the Bicknell pictures, for example, would almost suggest that as much was due to the name of the collector as the merit of the picture." Bicknell bought many of Turner's finest works before Ruskin's advocacy brought the artist to public prominence. In 1841 he paid Turner £250 for a painting of gondolas in Venice. That painting, "Guidecca, La Donna Della Salute and San Giorgio" (1840), changed hands in 2006 for US$35.8 million, setting a new record for a British work of art sold at auction. In politics