online learning modernism Kelly Writers House Fellows Seligman video poetry faculty Duckworth paper Windows change Ireland 1960 featured Operating System Windows 10 Greco leadership Martin MDT Philadelphia Grit help desk Martin Seligman Tracie Morris MDT 2013 Angela Mac Feedback culture MOOCs Self-Actualization Windows PE 1930s Panel 3 communist poetry conflict transformation reference CPCW classmates Nathaniel Mackey management vision Bauer gardening New York City Office 2016 agent-based modeling systems