Mad Scientists, Peace Vigilantes, and Scientific Extortionists

The latter two types were identified by Everett F. Bleiler, in Science-Fiction: The Early Years.


1,19,84a,194,195,223,224,239,335,337,365a,371,391,394,414a,414b,
414d,414f,414g,425,438,441,497,598,600,637, 643,651, 660,678
and a lot more

1904-13

* William Livingston Alden, "'Wagnerium'" (London Magazine, November 1906). See Alden entry.

* William Livingston Alden, "The Earthquake" (Pearson's Magazine, October 1907). See Alden entry.

1914-23

1924-33