Posts by Wuppuluri Jayanth Kumar Sharma
greatest personality of today ....jonas salk he did not patended
greatest personality of today ....jonas salk he did not patended his polio vaccine ..if he did it he would be a richest man earning about 7$millons bu...
greatest personality of today ....jonas salk he did not patended his polio vaccine ..if he did it he would be a richest man earning about 7$millons bu...
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