High Vacuum Author:Charles Eric Maine Four people...Comander Caird-determined to salvage scientific information from the wreck of the expedition. Kerry-doctor-navigator-injured and helpless, but aware that his medical knowledge is of vital importance to the life of ....Patterson,-electronics- the only man who can repair communications and maintain radio contact with earth, and who m... more »ost deeply resents the fourth survivor. Helen Ross-whose extra weight has thrown of calculations of the ministry of astronautics and caused the Moonwreck.« less