The invention of commercially viable instant cameras which were easy to use is generally credited to American scientist Edwin Land, who unveiled the first commercial instant camera, the model 95 Land Camera, in 1948, a year after unveiling instant film in New York City.
Dr. Oz Says: The Secret Cause of Nighttime Leg Cramps (and Other Muscle Cramps Too) is a Severe Magnesium Deficiency. And the Solution is High-Dose, High Absorbing Magnesium. But Don't Take the Low-Quality Magnesium Pills From the Drug Store.
Your doctor might also prescribe medication. Drugs don't always work for leg cramps, and they can cause harmful side effects. The anti-malaria drug quinine, for example, was once used for leg cramps, but doctors and the FDA no longer recommend it -- side effects include severe bleeding.