Short answers, pulled from the story.
Wolfgang of Regensburg entered the world in 934 as a member of the Swabian Counts of Pfullingen. He received instruction from an ecclesiastic within his own home at seven years old before enrolling at Reichenau Abbey.
Bishop Michael of Regensburg died on the 23rd of September 972 creating a vacancy in the diocese. Piligrim secured an appointment for Wolfgang from the emperor effective Christmas 972 to fill this role.
Wolfgang of Regensburg fell ill near Pupping while traveling toward Pöchlarn and died there after a period of suffering. Count Aribo of Andechs and Archbishop Hartwich of Salzburg transported his body up the Danube to Regensburg where they buried him in the crypt of Saint Emmeram.
Wolfgang holds the specific title of patron saint for woodcutters due to the axe legend associated with his story. The legend describes him throwing an axe into a thicket after praying for guidance which became the site of his cell.
Otloh a Benedictine monk of St. Emmeram wrote the life of Wolfgang at the request of the abbey around 1050. This text serves as the basis for all later accounts of the saint and exists today in the library of Einsiedeln Abbey under MS number 322.