John's Page.

John writes software for the Central Engineering Department of the Smithsonian Astrophysical Observatory .

Currently He is assigned to the Optical and Infrared Astronomy Division where he is working on the data and control systems for new instrumentation to be installed on the Multiple Mirror Telescope since it upgraded to a single 6.5 meter mirror.

John can best be reached at:

john@cfa.harvard.edu Or
	John Roll
	MS 19
	60 Garden Street
	Smithsonian Astrophysical Observatory
	Cambridge MA 02138
	

Software Written By John

UnOfficial Chandra Archive Search

Experimental 2Mass Catalog Search

MMTI Paige Wiki

Software maintained at SAO by john:

slalib The Star Link Astrometry Library.