If you have information about this name, share it in the comments area below!
Books about Halacy:
EMPIRE IN THE DUST, BY DAN HALACY, LARGE PRINT, LARGE PRINT by DAN HALACY (1989)
FABULOUS FIREBALL The Story of Solar Energy "Halacy by D.S. Jr." 10 (Jan 1, 1900)
Fuel Cells: Power of Tomorrow [Paperback]  (Author) D.S. Halacy Jr. (2006)
Fabulous Fireball and Experiments with Solar Energy [Paperback]  (Author) D.S. Halacy Jr. (2010)
Fuel cells: power for tomorrow [by] D.S. Halacy, Jr. by D. S. Halacy (1966)
Master of the wind,: The life of Halacy, Jr by D. S Halacy (1965)