Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Let me give you an example: Who did the Han Chinese want to help the Khitan no I mean the Mongols fight?
The answer to this example can be: Who did the Han Chinese want to help the Mongols fight?
Here is why: The input initially means Khitan and then changes to Mongols, hence this is correct.

OK. solve this:
Fielding H. Garrison believes what er Living from 973\\\\u20131048 CE he was one of the earliest Persian geologists, what was his name?
Answer:
Living from 973–1048 CE he was one of the earliest Persian geologists, what was his name?