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Following this , Yrjö Sotamaa , president of the University of Art and Design Helsinki at the time , proposed the merger of Aalto University 's founding schools in his president 's opening speech in 2005 .
 Yrjö Sotamaa, University of Art and Design Helsinki, Aalto
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Yrjö Sotamaa, University of Art and Design Helsinki, Aalto