Of what nationality are both Dentsply Sirona and Omnicom Group?
Dentsply Sirona Dentsply Sirona is an American dental equipment maker and dental consumables producer that markets its products in over 120 countries (factories in 21 countries). It is a leader in consumable dental products. The present company is largely the result of a merger in 1993 in which Gendex Corporation acquired Dentsply International Inc. for $590 million.
Om Prakash (historian) Om Prakash (born January 1940, in Delhi) is an Indian economic historian. He is noted for his work on the Dutch East India company in Bengal, and also for his work on coinage, precious metal trade, and other aspects of pre-colonial commerce between Europe and India. In 2005, he was knighted by the Dutch queen.