Ernest Irving Freese's Geometric Transformations: the Man, the Manuscript, the Magnificent Dissections! by Greg Frederickson

Most recent additions to these updates

August 2017 - Further motivation for youthful Freese's travels
August 2017 - Swinging the pieces in Figure I158a
December 2017 - Photo of Freeses's first wife Philippa
December 2017 - Paul Peter Kiessig's early career
January 2018 - Gavin Theobald's improved icosagon to square
January 2018 - Misplaced Commas
January 2018 - Missing page reference for "translational dissection"
February 2018 - Typo on page 142
February 2018 - Gavin Theobald's further improvements
February 2018 - Text of Freese's book on perspective projection
February 2018 - A square to one isosceles triangle and also to another
February 2018 - Equiareal versus congruent triangles
March 2018 - Gavin Theobald's improved dissection for Figure I155
March 2018 - Missing page reference for "translational dissection"

All updates, including typos, by chapter

1. The Rich History of Geometric Dissections
2. The "Wild Adventures" of Ernest Freese
3. Techniques, Special Properties, Hardness
4. Freese's Title Page and Index
5. Isosceles Triangles
6. Equilateral Triangles
7. Squares, Crosses, Rectangles
8. Pentagons and Pentagrams
9. Hexagons and Hexagrams
10. Octagons and Octagrams
11. Enneagons (Nonagrams)
12. Decagons and Decagrams
13. Dodecagons and Dodecagrams
14. Many-sided Polygons
15. Miscellaneous Figures
16. More Crosses
17. More Miscellaneous Figures
18. Mixed Polygons to One
19. Special Triangles
20. From the Past, Into the Future

Copyright 2018, Greg N. Frederickson.
Permission is granted to any purchaser of Ernest Irving Freese's `Geometric Transformations': the Man, the Manuscript, the Magnificent Dissections!
to print a copy of this page for his or her own personal use.

Last updated March 8, 2018.