Two men sitting in chairs.
A group stands together outdoors.
A man and a woman stand by a scientific poster.
Glacier Point Rock
Hot Creek
Outdoor scene
Group of people at a long dinner table.
Three people stand together in cardinal PhD robes at a PhD Hooding reception.
A group poses together on a rock at Yosemite.
A man gives a talk outdoors in Yosemite while a person holds up a poster.
Scenic view of Yosemite Valley
Two men stand at on overlook.
People walk along a trail.
Composite image of a group dinner.
A group of people inspect a rock formation.
A group of people walk down a rural road.
A person holds a fan.
Two men walk outdoors.
Three men holding glasses pose.
A group of people stand outdoors with a scenic view of a mountain behind them.
A group of people stand together in a scenic outdoor environment.
A man gives a talk in front of a large screen with a projection.
A group of people pose together.
Yehuda Ben-Zion
Two people pose on a large rock formation.
People walk along a rocky path.
A group of people in warm weather gear sail on a boat.
Two people pose sitting on a rock.