Ponderosa Ranch entrepreneur David Duffield in 2004. In September 2004 he closed the Ponderosa "indefinitely". Ponderosa Ranch The Ponderosa Ranch was a theme park based on the popular 1960s television western "Bonanza", which housed the affluent land, timber and livestock-rich Cartwright family. The amusement park operated in Incline Village, Nevada, near Lake Tahoe, from 1967 until 2004. Portions of the last five seasons of the TV series and three TV movies were also filmed at that location. The Ponderosa was the fictional setting for "Bonanza". According to the 9th episode ("Mr. Henry Comstock") in the first season, it was a thousand-square mile
Mary Cartwright honoured by the Queen, becoming Dame Mary Cartwright, Dame Commander of the Order of the British Empire. 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