Whose idea was to prepare "Frozen Foods"?

Question

In  1949  that  scientist  found  a  better  way  to  freeze  food  quickly.  It  was  technology  helping  people  to  live  and  eat  better.

Answer 1

Albert and Meyer Bernstein. By 1949 they were selling frozen meals in compartmentalized aluminum trays in the Pittsburgh area

Answer 2

In 1861 Thomas Sutcliffe Mort established at Darling Harbour in Sydney, Australia, the first freezing works in the world, which afterwards became the New South Wales Fresh Food and Ice Company. Mort financed experiments by Eugene Dominic Nicolle, a French born engineer who had arrived in Sydney in 1853 and registered his first ice-making patent in 1861. 

Answer 3

The idea of frozen foods is credited to Clarence Birdseye, an American inventor and entrepreneur who developed a method of quick-freezing food.

Answer 4

However, Clarence Birdseye is credited with inventing in 1924 the quick freezing method, which produces the type of frozen foods that we know today.