1. The AAVSO and Dorrits Contributions Arne A. Henden Director

2. Became member in 1930 First term as council member in 1943 (Director MMO 1957-1978) AAVSO President 1961-1963 Olcott Distingished Service Award 2002 Dorrit and the AAVSO Dorrit at the June 1961 AAVSO meeting

3. Dorrits AAVSO membership application

4. AAVSO meeting, 1930

6. BD +20 2337 is AB Leo, a semiregular pulsating star

8. The AAVSO has 5128 observations of AB Leo in its database

9. No AAVSO observations of this suspected flare star!

11. 90th birthday symposium, 1997

12. AAVSO council meeting, 1998

13. MWM, Dorrit, and Janet, February 1993

14. Council Service 1943-1945 Councilor (2 years) 1954-1958 Councilor (4 years) 1958-1960 2nd VP (2 years) 1960-1961 1st VP (1 year) 1961-1963 President (2 years) 1963-1965 Past Pres. (2 years) 1972-1974 Councilor (2 years) 1977-1981 Councilor (4 years) 1989-1993 Councilor (4 years) Total: 23 years!

15. Talking with John Percy, AAVSO President, 1990

16. Giving AAVSO paper, about 1995

17. MMO Years (1957-1978) 105 students, many attended AAVSO meetings Roughly 358 variables observed, 111 new or revised periods Friedel and Kundsin, Photographic Observations of RS Oph, 1958 (first student paper) 44 AAVSO Abstract papers by students 41 AAVSO Journal papers by students

18. Receiving Olcott Distinguished Service Award, 2002

19. AAVSO Publications 4 books 16 AAVSO Abstract papers 36 AAVSO Journal papers (last in 2002)

20. Dorrits Contributions to the AAVSO Years of service to AAVSO

21. Dorrits Contributions to the AAVSO Years of service to AAVSO Mentoring of students

22. Dorrits Contributions to the AAVSO Years of service to AAVSO Mentoring of students Papers (JAAVSO)

23. Dorrits Contributions to the AAVSO Years of service to AAVSO Mentoring of students Papers (JAAVSO) Finding Janet!