Motion Picture Theaters: Captain from Castile, product of three years' study of Spanish source material dealing with the conquest of Mexico, was sold in 1944, for motion picture production, before publication. It was translated into 18 languages, including Pakistani and Turkish. Prince of Foxes, a sweeping Renaissance tapestry, published in 1947, also became a motion picture. The King's Cavalier (1950) and Lord Vanity (1953), the latter also sold to the motion pictures, were likewise immensely popular.
Commercial recreation, largely a product of the 20th century, embraces several industries with large investments in the centers maintained. Motion picture theaters, amusement parks, roller skating rinks, and bowling alleys were established in even small cities or towns or in rural locations near heavily traveled highways.
Most recreation centers have come to serve persons of all ages, and activities for adults and even the aged have become common. Priority usually is given, however, to the requirements of children and youth, and a large part of the recreational services of the country was established in recognition of their needs.
Such findings would go unnoticed without alert observation, intensive study, and erudite comprehension in the laboratory or clinic.) Some well-known examples of serendipitous discovery include the use of certain antihistamines for the prevention of motion sickness, the therapeutic value of the sulfonamides, and perhaps the most picturesque-a suitable plot for a historical novel or motion picture-the discovery of the antibiotic properties of penicillin.
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