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.
1 Get plenty of vitamin D3, magnesium, potassium, and calcium. Get tested for your blood levels of these and iron, too. Deficiencies are linked to leg cramps.  1,000 IU of vitamin D daily. The best food sources for vitamin D are herring, salmon, sardines, and fortified soy milk.