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With the notable exceptions of Louis DeBroglie , Max von Laue , Erwin Schrödinger and Albert Einstein , who believed that quantum mechanics was a statistical approximation to a deeper reality which is deterministic , most of the founders of quantum mechanics believed that this problem is purely philosophical .
 person: Louis DeBroglie; person: Max von Laue; person: Erwin Schrödinger; person: Albert Einstein
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Louis DeBroglie, Max von Laue, Erwin Schrödinger, Albert Einstein 
Answer:
 person: Louis DeBroglie; person: Max von Laue; person: Erwin Schrödinger; person: Albert Einstein