A general overview of Lowell Observatory, its history, current research, public programs, and a set of images taken by our 4.3m Lowell Discovery Telescope (LDT). W. Lowell Putnam is serving as the 5th Sole Trustee of Lowell Observatory, having succeeded his father, Bill, in 2013. Putnam also serves as one of seven members of the Board of Trustees of the ...