. . . . . . "1905" . . . . . . "Karl Jansky" . . . . . . . . . . . . . . . . . . . "1950" . . . . "as early as 1931" . . . . . . . "1950-02-14" . "Jansky, Karl Guthe" . . . . . . . . . . . . . . . . . . . . . . "Karl G. Jansky" . . . . . . . . . "Jansky's" . . . . "Karl Guthe Jansky" . . . "Jansky Lectureship" . . . . . "Karl Guthe Jansky" . . . "1905-10-22" . . . . . . . . . . . . .