Inaugural Address -- The Value of Science -- Address of Welcome to her Majesty Queen Juliana -- The Limits of Science -- On the Boundaries of Science -- Pre-Advices and Discussions -- Aspects of Freedom and Restriction in the Sciences -- Debate about Prof. G. E. Langemeijer's Pre-Advice on 'Aspects of Freedom and Restriction in the Sciences' -- Prof. Langemeijer's Answer to Prof. Samkalden -- Debate about Prof. G. E. Langemeijer's Pre-Advice on 'Aspects of Freedom and Restriction in the Sciences' -- Prof. Langemeijer's Answer to Prof. Bouman -- Aspects of Freedom and Restriction in Science -- Debate about Prof. W. F. Wertheim's Pre-Advice on 'Aspects of Freedom and Restriction in Science' -- Prof. Wertheim's Answer to Prof. Plattel -- Debate about Prof. W. F. Wertheim's Pre-Advice on 'Aspects of Freedom and Restriction in Science' -- Prof. Wertheim's Answer to Prof. Gonggrijp -- The Consequences of Freedom and Restriction in Medical Science -- Debate about Prof. H. W. Julius' Pre-Advice on 'The Consequences of Freedom and Restriction in Medical Science' -- Debate about Prof. H. W. Julius' Pre-Advice on 'The Consequences of Freedom and Restriction in Medical Science' -- Responsibility in the Humanistic Sciences -- Debate about Prof. H. J. Pos' Pre-Advice on 'Responsibility in the Humanistic Sciences' -- Summary of Prof. H. J. Pos' Answer to Prof. G. Gonggrijp -- Debate about Prof. H. J. Pos' Pre-Advice on 'Responsibility in the Humanistic Sciences' -- Summary of Prof. H. J. Pos' Answer to Prof. K. Kuypers -- The Responsibility of the Scientist -- Summary of the Debate about Prof. A. G. M. van Melsen's Pre-Advice about 'The Responsibility of the Scientist' -- Summary of Prof. van Melsen's Answer to Prof. Wiersma -- Summary of the Debate about Prof. A. G. M. van Melsen's Pre-Advice about 'The Responsibility of the Scientist' -- Summary of Prof. van Melsen's Answer to Dr Dippel -- Concluding Words -- Remarks, Dr C. J. Dippel would have wished to make as a Debater with Regard to the Pre-Advice by Prof. W. F. Wertheim on 'Aspects of Freedom and Restriction in Science', if there had been Time -- Prof. Wertheim's written Answer to Dr Dippel's Remarks.