In the late 1930s Deutz was brought to South Africa to teach diamond cutting along with his brother-in-law, Solly Neuwit, at Majestic Diamond Cutting Works in Johannesburg.
Brian Eno | Brian Mulroney | Brian May | Brian Wilson | Brian Ferneyhough | Gavin Friday | Hugh O'Brian | Brian Williams | Brian Stableford | Brian Aldiss | Brian | What About Brian | Gavin Bryars | Brian Clough | Gavin Newsom | Brian Stokes Mitchell | Brian Lara | Brian De Palma | Brian Dennehy | Gavin DeGraw | Brian Michael Bendis | Brian Lenihan | Brian Cox | Brian Boru | Patrick O'Brian | Gavin Shuker | Brian Setzer | Brian McKnight | Brian Evenson | Brian Culbertson |
Speakers included diamond cutters Maarten DeWitte, Brian Gavin and Gabi Tolkowsky; American Gem Society representatives James Caudill and Peter Yantzer; technology developers Garry Holloway, Udi Lederer, Janak Mistry, Yuri Shelmentiev and Sergey Sivovolenko, Octonus; and researchers V.K. Baranov, A.M.