Conversation so far:
Why did Mike move to Alaska?
Alaska's voting age of 19, less than most other states' 21, played a role in his decision, as did its newness and cooler climate.
when did he move to alaska?
moved to pre-statehood Alaska in August 1956.
What did he do in alaska?
Broke when he arrived, he immediately found work in real estate sales until winter arrived.
What did he do in winter?
Gravel then was employed as a brakeman for the Alaska Railroad, working the snow-clearing train on the Anchorage.

Question: What else did he do in alaska?
Self-contained rewrite: Besides working as a brakeman for the Alaska railroad, what else did Mike Gravel do in Alaska?