Question: What key details about georg gerstäcker  can be extracted from the following bio?  Bio: georg gerstäcker -lrb- 3 june 1889 -- 21 december 1949 -rrb- was a german wrestler who competed in the 1912 summer olympics . he won the silver medal in the featherweight event .
Answer:
- death date is 21 december 1949- birth date is 3 june 1889- name is georg gerstäcker- death place is nürnberg , germany- birth place is nürnberg , germany