Did Slughorn know Riddle was Voldemort?

When Lord Voldemort came to power, Slughorn did not think he was Tom because of his very changed appearance. When Slughorn realised that the Dark wizard was indeed Tom, he was mortified. Slughorn stayed at Hogwarts during the war as it was a safe place and vowed never to tell anyone what he told Voldemort.

Had Voldemort already made a Horcrux when he talked to Slughorn?

Harry sees in Slughorn’s memory that Voldemort is already wearing the Gaunt Ring, having recently killed his father, and, unbeknownst to Harry, created a Horcrux. He also has already created the diary Horcrux at this point, but in the memory he asks Slughorn about them as if he knows very little.

Who told Voldemort how do you make Horcruxes?

In chapter twenty three of Half-Blood Prince, when young Voldemort asks Slughorn about how to make a horcrux, he says this: “But how do you do it?”

Did Voldemort know about Horcruxes from Horace Slughorn?

It’s no secret that Horace Slughorn gave Voldemort information on making horcruxes, and a major thrust in the sixth book is Harry and Dumbledore trying to find out what Slughorn told him. With that said, it seems like Voldemort already had a fair bit of information about horcruxes when he went to Slughorn.

How did Riddle know how to make a Horcrux?

“Dumbledore was sure Riddle already knew how to make a Horcrux by the time he asked Slughorn about them. I think you’re right, Hermione, that could easily have been where he got the information.” Mithrandir’s answer already provides one relevant quote, but I’d say it lacks interpretation.

What happened to Professor Slughorn after the Battle of Hogwarts?

Following the return of Voldemort and the Death Eaters beginning to seek Slughorn out, the retired professor lived a life on the run, unsure if Voldemort intended to recruit him or kill him to keep his Horcruxes a secret.

How did Horace Slughorn first meet Harry Potter?

Horace Slughorn first met Harry Potter in 1996, when Harry and Albus Dumbledore tracked him down at the Muggle home he was borrowing at the time, to persuade him to return and teach at Hogwarts.