|
November 1969
|
100 |
Essay
|
The Science in Science Fiction: The Columbus Problem
|
Amazing Stories, November 1969 |
|
January 1970
|
115 |
Essay
|
The Science in Science Fiction: The Columbus Problem II
|
Amazing Science Fiction, January 1970 |
|
March 1970
|
114 |
Essay
|
The Science in Science Fiction: Is Anybody Out There?
|
Amazing Science Fiction, March 1970 |
|
May 1970
|
102 |
Essay
|
The Science in Science Fiction: Where Are They?
|
Amazing Science Fiction, May 1970 |
|
July 1970
|
106 |
Essay
|
The Science in Science Fiction: Color the Sky
|
Amazing Science Fiction, July 1970 |
|
September 1970
|
115 |
Essay
|
The Science in Science Fiction: What You Eat You Are
|
Amazing Science Fiction, September 1970 |
|
November 1970
|
116 |
Essay
|
The Science in Science Fiction: Not with a Whimper
|
Amazing Science Fiction, November 1970 |
|
January 1971
|
97 |
Essay
|
The Science in Science Fiction: The Road to Hal
|
Amazing Science Fiction, January 1971 |
|
March 1971
|
99 |
Essay
|
The Science in Science Fiction: The Ultimate City
|
Amazing Science Fiction, March 1971 |
|
May 1971
|
97 |
Essay
|
The Science in Science Fiction: Biological Clocks, Geological Calendars
|
Amazing Science Fiction, May 1971 |
|
November 1971
|
79 |
Essay
|
The Science in Science Fiction: Man's Best Friend
|
Amazing Science Fiction, November 1971 |
|
May 1972
|
91 |
Essay
|
The Science in Science Fiction: The Scientist in Science Fiction
|
Amazing Science Fiction, May 1972 |
|
January 1973
|
84 |
Essay
|
The Science in Science Fiction: A History of the Great Tachyon Flap
|
Amazing Science Fiction, January 1973 |
|
February 1974
|
120 |
Essay
|
Letter (Amazing Stories, February 1974)
|
Amazing Science Fiction, February 1974 |