Bonanza Tahoe-based "Ponderosa" theme park from 1967–2004; a line of American Character action figures in 1966–1967; Aladdin lunch buckets and thermos bottles in 1966–1968; View Master slide sets in 1964, 1971; Ponderosa tin cups from 1967–2004; a series of Hamilton collector plates in 1989–1990; and most recently, Breyer Fiftieth Anniversary Ponderosa Stable sets, with horses and Cartwright figures in 2009–2011. Fourteen "Bonanza" novels have been published: "Bonanza: A Novel" by Noel Loomis (1960); "Bonanza: One Man With Courage" by Thomas Thompson (1966); "Bonanza: Killer Lion" by Steve Frazee (1966); "Bonanza: Treachery Trail" by Harry Whittington (1968); "Winter Grass" by Dean Owen
Mary Cartwright Mary Cartwright Dame Mary Lucy Cartwright, (17 December 1900 – 3 April 1998) was a British mathematician. With J. E. Littlewood she was one of the first mathematicians to study what would later become known as chaos theory. She saw a large number of solutions to a problem she was studying and this would later be seen as an example of the butterfly effect. Cartwright was born in Aynho, Northamptonshire, where her father, William Digby Cartwright, was vicar. Through her grandmother Jane Holbech she was descended from the poet John Donne and William Mompesson, the Vicar of Eyam. She had