<human>: Question: Who improved Gesner's  of refining kerosene from coal?
Answer: Ignacy Łukasiewicz improved Gesner's method to develop a means of refining kerosene from the more readily available "rock oil" ("petr-oleum") seeps in 1852 and the first rock oil mine was built in Bóbrka, near Krosno in Galicia in the following year.
 Is the question answered in a satisfactory fashion?

OPTIONS:
- yes
- no
<bot>: yes