Given the question: What key details about gregor von helmersen  can be extracted from the following bio?  Bio: gregor von helmersen -lrb- -- -rrb- was a baltic german geologist . he received an engineering training and became major-general in the corps of mining engineers . in 1837 he was appointed professor of geology in the mining institute at saint petersburg of which he was also director . in 1839 , along with karl ernst von baer , he founded the first serial natural scientific publication in russia known as `` beiträge zur kenntniss des russischen reiches . '' in 1850 , he became an academician of the russian academy of sciences in st petersburg . he founded and became the first head of the russian geological committee in 1882 . he was an author of numerous memoirs on the geology of russia , especially on coal and other mineral deposits of the country ; and he wrote also some explanations to accompany separate sheets of the geological map of russia . his geological work was continued to an advanced age , one of the later publications being `` studien über die wanderblöcke und die diluvialgebilde russlands '' -lrb- 1869 and 1882 -rrb- . most of his memoirs were published by the imperial academy of sciences at saint petersburg .
The answer is:
- death place is sankt petersburg , russia- resting place is raadi cemetery , tartu , estonia- fields is geology- death date is 3 february 1885- birth date is 29 september 1803- name is gregor von helmersen- citizenship is russian- nationality is baltic german- image is gregor-helmersen-1876 . jpg- birth place is kammeri , present-day estonia