PhD. Thesis, Harvard Univ., Cambridge, MA. 1977
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The data in this thesis could not have been obtained without the aid of a truly vast number of people. I would especially like to thank:
Sallie Baliunas, Phil Marcus, and Steve Perrenod for allowing themselves to be dragged out to Arizona;
Les Wier and the guys in the machine shop for their prompt help when it was really needed, Chip in the shock tube lab for the many leak checks, Bill Grimm for the EE lessons and the pre-amp drawings, John Hamwey and the powers that be for all the wonderful figures, Gerda Schrauwen for the fine tables, Helen Beattie for her good nature, and particularly Val for working overtime during the '75 World Series;
Doug Kleinmann for crucial assistance on the light baffle and external focusing mechanism, the nifty neck tube support, and helpful discussions;
Keith Matthews for discovering (and communicating to me) the wondrous black magic of flashing;
Alex, Al, Herb, Nat, Bob, Peter, Leslie, Vivian, and Ruth for putting up with me and always coming up with the money from somewhere;
John Huchra for obtaining some precious UBV data and for much stimulating conversation;
Bas and Daryl at MHO for the glorious kluges, and also the (too) numerous night assistants at LC, CTIO, and KPNO;
Bruce Carney for allowing me to squeeze in some galaxy measurements during his telescope time, and for his general goad spirits;
John Mariska for the dart games and for always being a fine source of gossip;
John Danziger and Chris McKee for your early and far too brief support;
Giovani Fazio for having the nerve to became my thesis adviser after the four previous occupants of the job left the Center - his suggestions, encouragement, and support are much appreciated.
Finally, to Eric Persson and Jay Frogel, who more than anyone have taught me the meaning of being an observational astronomer, and who are the guiding lights of this work, thanks seen hardly sufficient.
And to whatever deity sent me only 30% photometric weather far the past two years in Arizona - (expletive deleted)!
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