https://www.youtube.com/watch?v=pwA051JrQXs
https://www.youtube.com/watch?v=kq1eIZxdmpY
https://www.youtube.com/watch?v=jJ2EsTjYEiE&t=175s
https://www.youtube.com/watch?v=aLg4AV60uWY&t=102s
https://www.youtube.com/watch?v=BaZfwIrXPWQ
https://www.youtube.com/watch?v=2li27U0w1M0
https://www.youtube.com/watch?v=8b9E9gz3yTE&t=3198s
https://www.youtube.com/watch?v=_8gltUce-34
https://www.youtube.com/watch?v=J93Ee2hjORU&t=142s
https://www.youtube.com/watch?v=oc4to1oeFgU&t=297s
https://www.youtube.com/watch?v=_1DgVrLHbow
https://www.youtube.com/watch?v=hVYv9ktilQw&t=2448s
Di questi grandi personaggi, con un po’ di pazienza, si trovano molti video su youtube, anche tradotti o sottotitolati (per chi non sapesse l’Inglese).
Consiglio vivamente di fare qualche ricerca e ascoltare le loro parole.