Frontmatter -- Contents -- Introduction -- I. Haak's early life and first translation work -- II. The second visit to England -- III. Holland and early introduction to the Ideas of the future Comenian group -- IV. The "Pansophic" activities of 1639-41 and the first correspondence with Mersenne -- V. Haak's diplomatic mission to Denmark (1643-1644) -- VI. London, 1645: Important new activities -- VII. Correspondence work for Karl Ludwig and for the English Parliament -- VIII. Haak and Pell's mission to Switzerland -- IX. Completion and publication of the Dutch Bible translation 1657 -- X. "1645" Group to Royal Society -- XI. Haak's activities as Fellow of the Royal Society in the years 1661-68 -- XII. Glimpses into Haak's private life during the period 1668-77 -- XIII. The last fifteen years -- XIV. The subsequent history of the manuscript Verlustigtes Paradeiss and Berge's printed version -- XV. A critical discussion of Das Verlustigte Paradeiss -- Appendix 1. Family tree -- Appendix 2. Theodore Haak's published and unpublished works -- Appendix 3. Das Verlustigte Paradeiss -- Bibliography -- Index