Negative film was invented by (1), which allowed negative images to be produced. A negative image is a (2) a. (1) Ansel Adams; (2) photographic print in white on a blue ground, often used for copying maps, or architects plans. b. (1) Henry Fox Talbot; (2) tonal inversion of a positive image, where light appears dark, and dark appears light. c. (1) Keith Cottingham; (2) photographic print in white on a blue ground, often used for copying maps, or architects plans. d. (1) Louis Daguerre; (2) tonal inversion of a positive image, where light appears dark, and dark appears light.