person
available lectures| Title | Location/Host | Date | Duration | Format(s) |
|---|---|---|---|---|
| Power to Save the World | Long Now Foundation | 2007-09-14 | 01:44:36 | mp3 |
personavailable lectures| Title | Location/Host | Date | Duration | Format(s) |
|---|---|---|---|---|
| Power to Save the World | Long Now Foundation | 2007-09-14 | 01:44:36 | mp3 |