20 STP, 2018, Boulder, CO, USA

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• D. Friend opens the Symposium
• D. Friend introducing plenary speaker W. Tumas
• Openning Ceremony
• Plenary speaker L.F. Vega
• K. Kroenlein introducing Touloukian Award
• A. Leipertz receiving Touloukian Award
• A. Leipertz Touloukian Lecture
• J. Ilja Siepmann receiviing Touloukian Award
• J. Ilja Siepmann Touloukian Lecture
• I. Bell
• Gala dinner
• Gala dinner
• View from the dinner
• M.J. Assael and J. Wu at Gala dinner
• Gala dinner
• Unexpected conference participant
• Boulder Pearl street
• Boulder Pearl street