Hugh

2368: Survived a crash, discovered by the crew of the USS Enterprise-D;
Individuality reasserted itself due to being cut off from the collective
Rejoined the Borg to ensure the safety of the Enterprise;
Individuality spread through the Borg ship, freeing all the drones from the collective
2370: Found by Lore, who started experimenting on drones;
Lead a group of drones underground; helped Riker & Worf stop Lore
2370s-2390s: had most of his implants removed & was a federation citizen
2399: Helped xB as executive director of the Borg Reclamation Project on the Artifact;
Killed by Narissa for refusing to lead her to Picard & Soji