Professor David J. Srolovitz, University of Pennsylvania, lectured on rethinking defect structures and properties. The lecture was presented by The Department of Mechanical Engineering, with the Johns Hopkins Student Section and the Baltimore Section of the American Society of Mechanical Engineers.

Mechanical Engineering Professor Andrea Prosperetti gives a brief history of Alexander Graham Christie and his ties to Johns Hopkins.

Mechanical Engineering Professor Andrea Prosperetti gives a brief history of Alexander Graham Christie and his ties to Johns Hopkins.

Mechanical Engineering Professor Jaafar El-Awady introduces Professor David Srolovitz.

Mechanical Engineering Professor Jaafar El-Awady introduces Professor David Srolovitz.

 Guest lecturer Professor David Srolovitz speaks to the crowd in Hodson Hall.

Guest lecturer Professor David Srolovitz speaks to the crowd in Hodson Hall.

 Professor David Srolovitz of the University of Pennsylvania speaks on rethinking defect structures and properties.

Professor David Srolovitz of the University of Pennsylvania speaks on rethinking defect structures and properties.

 Professor David Srolovitz of the University of Pennsylvania speaks on rethinking defect structures and properties.

Professor David Srolovitz of the University of Pennsylvania speaks on rethinking defect structures and properties.

 Professor David Srolovitz accepts a token of thanks from Mechanical Engineering Department Chair, Professor Louis Whitcomb.

Professor David Srolovitz accepts a token of thanks from Mechanical Engineering Department Chair, Professor Louis Whitcomb.