Max Tegmark — Education: Royal Institute of Technology; Stockholm School of Economics; University of California, Berkeley

NoteThe source directly confirms all three educational institutions listed in the claim. The Wikidata page explicitly states under the 'educated at' property that Max Tegmark was educated at: (1) Royal Institute of Technology, (2) Stockholm School of Economics, and (3) University of California, Berkeley. All three institutions match the claim exactly. The source is the official Wikidata entry for Max Tegmark, making it a reliable primary source for this biographical information.