Isolating Titanium By mml0816 Jun 22, 1791 Titanium Discovered - William Gregor Dec 6, 1887 Titanium Isolated to 95% Purity - Lars Fredrik Nilson and Sven-Otto Pettersson Oct 1, 1888 Titanium Isolated to 98% Purity - Henri Moissan (Date Unknown) Jun 9, 1910 99.9% Pure Metallic Titanium Produced - Matthew A. Hunter Mar 29, 1925 Perfectly Pure Titanium Produced - van Arkel and de Boer
