Hughes, Bart. "Homo sapiens correctus" (The Mechanism of brain Blood Volume)

(Amsterdam, 1964). Scroll-shaped publication, 286 x 43 cm. Features Dutch text encircling 10 illustrations. Title in red felt-tip pen, illustrations hand-coloured in felt-tip pen accented with red and blue shading. Signed at the bottom "Amsterdam, Bart Huges" and "Nadruk Verboden. Rechten fl.100.000,-". Given to present owner by Huges when they were neuroscience colleagues, a working relationship characterized by 'endless talks and widely different views on neuroscience.' Well-preserved copy.

Rare publication. Dutch edition (other variants exist in English and German translation). *In this text, Huges claims that trepanning - drilling a hole in one's skull - will have a positive (i.e. mind-expanding) effect on the brain due to an improved balance of bodily fluids in the brain and the spinal cord. On 6 January 1965 he famously drilled a hole in his own forehead, an act that brought him instant notoriety.