Cats (musical) Cats (musical) Cats is a sung-through musical composed by Andrew Lloyd Webber, based on "Old Possum's Book of Practical Cats" by T. S. Eliot. The musical tells the story of a tribe of cats called the Jellicles and the night they make what is known as "the Jellicle choice" and decide which cat will ascend to the Heaviside Layer and come back to a new life. Directed by Trevor Nunn and choreographed by Gillian Lynne, "Cats" first opened in the West End in 1981 and then with the same creative team on Broadway in 1982. It won numerous awards, including
What Engineers Know and How They Know It What Engineers Know and How They Know It What Engineers Know and How they Know It: Analytical Studies from Aeronautical History (The Johns Hopkins University Press, 1990) () is a historical reflection on engineering practice in US aeronautics from 1908 to 1953 written by an accomplished practitioner and instructor. This period represents the dawn of aviation which was fraught with uncertainties and numerous paths to many possible worlds. The book captures two main conclusions from this period. The first order conclusion of this book is about "what engineers know." Five case studies from the history of aeronautical engineering are used