Word: ruben
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Ringside Maisie is the fifth of M.G.M.'s Maisie series. The first (Maisie) was bought for Jean Harlow, shelved when she died. Miss Sothern got the part two years ago because she was inexpensive and because she looked to Producer J. Walter Ruben like what he was looking for. Result: a fiscal triumph for M.G.M., stardom for Ann Sothern...
...Broadway musical Smiles, played innumerable simpering glamor-girl parts for Columbia and RKO, in 1937 was out of work. Nice handling of a part as a dumb stenographer in Trade Winds, after a year's separation from the cinema, brought her to the attention of Producer Ruben...
Unimpressed with this explanation was Biochemist Cornelis Bernardus van Niel of Stanford. "Forget about sugar," he told his students. "Consider the other end-product-oxygen. Where does it come from? Discover that and you will be closer to the whole solution." Dr. Ruben at California took this line...
Hitch was that both the raw materials of photosynthesis, H 2 O and CO 2 , contain identical oxygen atoms. There was no way of telling them apart. So Ruben obtained heavy oxygen-a rare isotope which has a mass of 18 instead of the normal atomic weight of 16-and made from it heavy-oxygen water. This was fed to a green plant, together with ordinary, light-oxygen carbon dioxide. As photosynthesis proceeded, the scientists caught the freed oxygen, found it was the heavy variety. Next they fed the plant light-oxygen water and heavy-oxygen carbon dioxide...
...similar "tracer" experiment, Ruben & Co. introduced radioactive carbon into plants (TIME, June 23), were later unable to find any radioactive formaldehyde in them. (Formaldehyde is poisonous to plants, anyway.) This was another blow to the old theory...