Lawyer, Scholar, Teacher and Activist: a liber amicorum in Honour of Derek Roebuck, - Revue de l’arbitrage View Lawyer, Scholar, Teacher and Activist: a liber amicorum in Honour of Derek Roebuck, by - Revue de l’arbitrage Lawyer, Scholar, Teacher and Activist: a liber amicorum in Honour of Derek Roebuck, 2021 4 Revue de l’arbitrage