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Dorothea Blostein: Revision history


For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary

5 August 2023

15 April 2023

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16 October 2022

  • curprev 10:3510:35, 16 October 202212.173.254.227 talk 4,698 bytes +5 Revised content. Checked the dates and realized that work on the proof for the four color theorem started while all the Haken & Appel kids were in high school or younger but finished after Dorothea was in college. undo Tags: Mobile edit Mobile web edit

15 October 2022

  • curprev 13:0713:07, 15 October 202212.238.229.164 talk 4,693 bytes −3 Corrected content. Dorothea and her siblings helped their father check computed results for the for color theorem when Dorothea was in high school (I was her classmate). We graduated in 1976, the year the results were published. undo Tags: Mobile edit Mobile web edit

13 June 2022

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