completist - A dope who tries to have a complete collection in some line. The line may be as broad as having all the prozines ever published, or as narrow as collecting all the Golden Atom tales or all official correspondence during one's incumbency in some office. […]
Source: wiktionary
Ozzie Train, secretary. Ozzie needs little introduction, other than that he is the remaining half of Prime Press, and a genuine completist.
Source: wiktionary
There's no new material on it, just previously issued bits and pieces. That rules out the completist collector. Go figure.
Source: wiktionary
But it’s even harder for me, because… I am a completist. Once I start reading an author’s work, I need to read everything that writer has written. I can’t veer away. I need to check all that author’s books off my mental list. My knowledge of their work must be complete.
Source: wiktionary
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