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Written by: Posamentier, Alfred S.
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Written by: Prins, C.
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Written by: Quammen, David
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Written by: Rees, Martin
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Written by: Relton, F.E.
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Written by: Rovelli, Carlo
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Written by: Rusk, Rogers D
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Written by: Sacharov, Andrej
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Written by: Sacks, Oliver
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Written by: Saris, Frans W.
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Written by: Sautter, Helmut
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Written by: Sautter, Helmut
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Written by: Schilling, H.
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Written by: Sevensma, T.P.
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Written by: Spaink, Karin
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Written by: Spanjersberg, A.A.
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Written by: Spectrum, Redactie
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Written by: Stadt, Dr H. van der
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Written by: Strieder, William C
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Written by: Swartz, Clifford
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Written by: Techniek, Redactie Natuur en
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Written by: Thiel, Rudolf
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Written by: Thomas, Lewis
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Written by: Tietze, heinrich
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Written by: Townes, C.H.
