By Anonymous (not verified) , 7 August 2025 Thebit ben Corat (Thabit bin Qurra) [830–901] Source MLGB3
By Anonymous (not verified) , 7 August 2025 Theobald of Piacenza (`Serviolus') [11th cent.] Source MLGB3
By Anonymous (not verified) , 7 August 2025 Theodericus Dorstenius (Dietrich Dorsten) [1492–1552] Source MLGB3