Recruit Tycho

 is an unmarked quest in the original Fallout.

Walkthrough
Go to the Skum Pitt between 1600 and 1800 hours and talk to Tycho. Have a drink with him and discuss his life for a permanent 5% Outdoorsman bonus. Mention that you're trying to clean up Junktown of it's crime problem, and you want him to join you. Once he accepts he will be in your party, and you get a bonus 300XP Reward.

Reward

 * Tycho as a companion
 * Outdoorsman skill points
 * 300 XP.