Phosphorus Chemistry in Circumstellar Envelopes: PN in IRC+10216, VY CMa, and CRL 2688 Aldo J. Apponi, Stefanie N. Milam, DeWayne T. Halfen, Emily D. Tenenbaum,
Judd D. Bowman Hubble Fellow, Caltech Alan E. E. Rogers Haystack Observatory With support from: CSIRO/MRO and Curtin University Thanks to: The organizers.
“First Light” From New Probes of the Dark Ages and Reionization Judd D. Bowman (Caltech) Hubble Fellows Symposium 2008.
