Geoffrey Colin Shephard

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Geoffrey Colin Shephard (16 August 1927 - 3 August 2016) was a British mathematician who worked on convex geometry and reflection groups. He asked <a href="/facts/Shephard%2527s_problem/Ch9zBLpU">Shephard's problem</a> on the volumes of projected convex bodies, posed <a href="/facts/Shephard%2527s_conjecture/lU8fmGJs">another problem</a> on polyhedral nets, proved the <a href="/facts/Shephard%25E2%2580%2593Todd_theorem/pILR5uUu">Shephard–Todd theorem</a> in invariant theory of finite groups, began the study of <a href="/facts/Complex_polytope/TzzBB61o">complex polytopes</a>, and classified the <a href="/facts/Complex_reflection_group/63v5gc1l">complex reflection groups</a>.
</p><p>Shephard earned his Ph.D. in 1954 from <a href="/facts/Queens%2527_College%2c_Cambridge/JjyClQ9M">Queens' College, Cambridge</a>, under the supervision of <a href="/facts/J._A._Todd/9qhLwNgb">J. A. Todd</a>. He was a professor of mathematics at the <a href="/facts/University_of_East_Anglia/CWr0whXh">University of East Anglia</a> until his retirement.
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Geoffrey Colin Shephard