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Alfred WolfDied 17 Dec 1998 at age 75 (born 13 Feb 1923).Alfred Peter Wolf was an American nuclear and organic chemist. As a senior chemist at the U.S. Brookhaven National Laboratory, he made pioneering contributions over nearly 50 years in the field of organic radiochemistry. By the mid-1960's, his fundamental studies in the synthesis of small, radiolabeled compounds grew into a new interest in developing radiotracers labeled with short-lived positron emitting isotopes like carbon-11 so that the tracer method could be applied to visualize biochemical transformations in living systems. His discoveries led to advances in medical imaging, especially the development of positron emission tomography, or PET, a tool now used worldwide to diagnose disease and study the brain's inner workings.
A blonde, a brunette, and a redhead are walking by a mall.
A policeman starts running after them, so they start running too.
They come upon 3 sacks and jump into them.
The cop stops and kicks the 1st sack and the brunette says "Meow."
The cop says, "Oh, it's only a cat."
He kicks the 2nd sack and the redhead says "Woof."
The cop says, "Oh, it's only a dog."
Then he comes up to the third sack and kicks it.
The blonde says "Potatoes".
And the cop says "Oh, it's only a sack of potatoes!"
Do you know why the cop didn't catch her?
Because he was a blonde too!