In the United States, milk products have to be listed as a potential allergy warning if the food contains them. Most manufacturers will individually include whey in the ingredient list as well, particularly if the product is not strictly considered a dairy product.
1960's Sowing the seeds of the calculator revolution. Early 1960's -- Mechanical calculators, slide rules, or paper and pencil are the world's main methods of calculation. As was true in the 1940's and 1950's, early 1960's calculators are complicated motor-assisted mechanical adding machines with no other electronic parts.
In 1885, Dorr Eugene Felt (1862-1930), of Chicago, used a wooden macaroni box, staples, rubber bands, wire, string, and meat skewers to make a prototype of what became the first practical multiple order calculator to use a keyboard, the Comptometer.