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However , scientists including the mathematician David Orrell and physicist Marcelo Gleiser have argued that the emphasis on aesthetic criteria such as symmetry is equally capable of leading scientists astray .
 person: David Orrell; person: Marcelo Gleiser
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: David Orrell; person: Marcelo Gleiser