Jump to navigation
The Franklin Institute
Audience
Membership
Open menu
Buy Member Tickets
Pro Tips for Your Best Visit
Exclusive Member Benefits
Member FAQs
ASTC Passport Program
Groups
Educators
Field Trips
Plan an Event
Support
Search
Search form
Search
Navigation
Visit
Open menu
Hours
Directions & Parking
Pricing
Today's Schedule
Planetarium Shows
Group Visits
Where to Eat & Stay
Accessibility
Sensory-Friendly Everyday
Health & Safety Information
Explore
Open menu
Harry Potter: The Exhibition - FINAL WEEKS!
NOW/NEXT Pop Up: Jellyfish Revealed
Exhibits and Experiences
Planetarium
Daily Live Science Demonstrations
Benjamin Franklin Memorial
Interactive Map
Holt & Miller Observatory
Events
Open menu
Calendar of Events
Night Skies in the Observatory
Science After Hours
Programs
Open menu
The Franklin Institute Awards
A Practical Guide to the Cosmos
LISTEN: So Curious! Podcast
WATCH: Ingenious: The Evolution of Innovation
GSK Science in the Summer™
Youth & Community Programs
Mission2Mars
Professional Development
Science
Open menu
Staff Scientists
The Franklin Institute on YouTube
Franklin@Home
Science and Technology Collection
Interactive Science!
Blog: The Current
Benjamin Franklin
Science Topics
Science Stories
The Journal of The Franklin Institute
Shop
BUY TICKETS
The Franklin Institute
Menu
Engineering
Henry Emerson Wetherill
Longstreth
1906
Read More
Edward Weston
Cresson
1910
Read More
Western Union Telegraph Co.
Certificate of Merit
1944
Read More
Charles Franklin Zeek
Longstreth
1918
Read More
Felix Zandman
Longstreth
1962
Read More
Philip Newell Youtz
Brown
1968
Read More
Charles Duncanson Young
Henderson
1948
Read More
Daniel J. Young
Clark
1931
Read More
Harold John Warren Fay
Longstreth
1947
Read More
Walter Henry Zinn
Cresson
1970
Read More
Pages
« first
‹ previous
…
108
109
110
111
112
113
114
115
116
…
next ›
last »