ASL Sign Language Dictionary

Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.

Android app on Google Play
NEW View all these signs in the Sign ASL Android App. Download for free.


How to sign: United States chemist noted for discovering the series of chemical reactions in photosynthesis (1911-)

Sorry, no video found for this word.

Similiar / Same: Melvin Calvin

Categories: chemist

Do you know the sign for this?

Upload your sign now.

Share »   Facebook Twitter Pinterest Email