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I think 1976-1980 was when Dennis was at Sky & Telescope. I was an assistant editor there, too, 1976-1981. I'm posting this here instead of in the article because it's personal knowledge. Somebody with access to S&T mastheads can pin down the first and last issues he's listed in.
Norman Sperling StarryEye (talk) 06:17, 20 November 2010 (UTC)
Hi! I'm going to be doing a rewrite of this page. Please let me know if you have any information you think will help. NinjaFluff (talk) 04:15, 19 November 2019 (UTC)