Richard Todd actor also narrated at least one TV documentary about the Dambusters and contributed forewords to many books on the subject, including "The Dam Busters" by Jonathan Falconer (2003), "Filming the Dam Busters" by Jonathan Falconer (2005) and most recently "Bouncing-Bomb Man: The Science of Sir Barnes Wallis" by Iain Murray (2009). Todd died at his home near Grantham, Lincolnshire on 3 December 2009. His body was buried between his two sons Seamus and Peter at St. Guthlac's Church in Little Ponton, in the county of Lincolnshire. The gravestone's epitaph reads – "Richard Andrew Palethorpe Todd, 1919–2009, husband of Virginia and
Isaac Newton author of the manuscript "De analysi per aequationes numero terminorum infinitas", sent by Isaac Barrow to John Collins in June 1669, was identified by Barrow in a letter sent to Collins in August of that year as "[...] of an extraordinary genius and proficiency in these things." Newton later became involved in a dispute with Leibniz over priority in the development of calculus (the Leibniz–Newton calculus controversy). Most modern historians believe that Newton and Leibniz developed calculus independently, although with very different mathematical notations. Occasionally it has been suggested that Newton published almost nothing about it until 1693, and did