Possible Clues:

• "Alaska" author
• Author of "Iberia"
• Appointed 1967
• Author of "Hawaii," "Alaska," and "Texas"
• 'Centennial' writer
• "Hawaii" novelist
• Pulitzer winner for 'Tales of the South Pacific'
• We have the legacy of his work, some of which was Caribbean
• ''Space'' man
• ''Alaska'' author