Mary Kaldor (born 1946), British academic, currently Professor of Global Governance at the London School of Economics
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Nicholas Kaldor (1908–1986), Cambridge economist in the post-war period
Kaldor City is a human city of the future on an unspecified alien world, created by Chris Boucher for the Doctor Who serial The Robots of Death broadcast in 1977, and reused in his Past Doctor Adventure Corpse Marker in 1999.