Garrett A. Morgan
Invented the three-position traffic signal — the caution phase between stop and go — and a smoke hood he used himself to pull men out of a collapsed tunnel under Lake Erie in 1916.
Black excellence, on the record
The RecordThey built the thing you are using
Invented the three-position traffic signal — the caution phase between stop and go — and a smoke hood he used himself to pull men out of a collapsed tunnel under Lake Erie in 1916.