Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAn Obituary for Donald Edward Machholz.AuthorsLevy, DavidSubjectsHALLEY'S comet; COMETS; HALE-Bopp cometPublicationJournal of the Royal Astronomical Society of Canada, 2022, Vol 116, Issue 6, p228ISSN0035-872XPublication typeArticle