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- Newman, John Nicholas (author) doctoral thesis 1960
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- Nieuwenhuijsen, Jean Henry (author) doctoral thesis 1958
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- Sparenberg, Johan Adolf (author) doctoral thesis 1958
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- Cohen, J.W. (author) doctoral thesis 1955
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- Burger, A.P. (author) doctoral thesis 1955
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- Loos, Hendricus Gerardus (author) doctoral thesis 1952
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- van Manen, Jan Dirk (author) doctoral thesis 1951
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- Balhan, J. (author) doctoral thesis 1951
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- Harvald, Svend Aage (author) doctoral thesis 1950
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- van Wijngaarden, Adriaan (author) doctoral thesis 1945
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- Koch, Jacobus Johannes (author) doctoral thesis 1929
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- Holst, C.P. (author) doctoral thesis 1924