| Term | History |
| 1 | Became a Physician at age 18 |
| 1 | Advanced training in a specialist field. |
| 1 | Promoted to rank 1 |
| 2 | Continued as Physician at age 22 |
| 2 | Refused to perform research that goes against your conscience. |
| 2 | Promoted to rank 2 |
| 3 | Continued as Physician at age 26 |
| 3 | Cheated in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 3 | Gain an Enemy |
| 4 | Continued as Physician at age 30 |
| 4 | Make a breakthrough in your field. |
| 4 | Promoted to rank 3 |
| 5 | Continued as Physician at age 34 |
| 5 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 6 | Continued as Physician at age 38 |
| 6 | Caught cheating in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 6 | A disaster or war strikes. |
| 6 | Lightly injured, no permanent damage. Fully recovered. |
| 6 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 6 | Gain an Enemy |
| 6 | Promoted to rank 4 |
| 7 | Continued as Physician at age 42 |
| 7 | Refuse to join a cheat in some fashion. |
| 7 | Forced to muster out. |
| 8 | Switched to Scientist at age 46 |
| 8 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 8 | Promoted to rank 1 |
| 9 | Continued as Scientist at age 50 |
| 9 | Advanced training in a specialist field. |
| 10 | Continued as Scientist at age 54 |
| 10 | Make a breakthrough in your field. |
| 10 | Promoted to rank 2 |