Hyndburn Council provide a good outline for Louis Comfort (Tiffany Glass) and Joseph Briggs. For those who wish to learn more.
The following links were valid at the time of this post.
1. Hyndburn Council - Main Site
http://www.hyndburnbc.gov.uk/
In case the links break, search for "Louis Comfort", or "Joseph Briggs". Should lead to links to Haworth Art Gallery Information sheets
2. Haworth Art Gallery Information sheet for Louis Comfort is here:-
http://www.hyndburnbc.gov.uk/downloa..._Time_Line.pdf
3. Haworth Art Gallery Information sheet for Joseph Briggs is here:-
http://www.hyndburnbc.gov.uk/downloa...EPH_BRIGGS.pdf