John Alan Glennon, Date of Birth
TweetJohn Alan Glennon
American geologist
Date of Birth: 24-Sep-1970
Profession: geographer, explorer
Nationality: United States
Zodiac Sign: Libra 
About John Alan Glennon
- John Alan Glennon (born September 24, 1970) is an American geographer and explorer.
- His work has been mapping and describing caves and geysers.
Read more at Wikipedia
See Also
- Famous People's Birthdays on 24 September, United States
- Famous People's Birthdays in September, United States
- Famous geographer's Birthdays on 24 September, United States
- Famous geographer's Birthdays in September, United States
- Famous explorer's Birthdays on 24 September, United States
- Famous explorer's Birthdays in September, United States