Q:What key details about charles william lancaster  can be extracted from the following bio?  Bio: charles william lancaster -lrb- 1820 -- 1878 -rrb- was an english gun maker and improver of rifles and cannon .
A:
- death place is london , england- birth name is benjamin tyler henry- death date is 24 april 1878- spouse is ellen edward- birth date is 24 june 1820- name is charles william lancaster- birth place is london , england- occupation is gunsmith