Thomas A. Jaggar, Hawaiian Volcano Observatory
Detailed Description
Thomas A. Jaggar founded the Hawaiian Volcano Observatory in 1912 and served as its Director until 1940. Shown here in 1925, Jaggar is at work in HVO's first building, which, at the time, was located on the northeast rim of Kīlauea Volcano’s summit caldera, near the present-day Volcano House hotel.
Sources/Usage
Public Domain.