Unique X-ray images of plants / The Inner Essence of PlantsTor G. Nitzelius (1914-1999) was a curator and tree specialist at the Gothenburg Botanical Garden. He created popular gardens and wrote several books. He also had a big interest in x-ray images of plants. Nitzelius pictures was discovered by chance fifty years after they were produced by visual artist Johan Brink, who has processed selected images. Design X-ray Photography by Tor G. Nitzelius and designed by Johan Brink for Fine Little Day Size 70x100 cm Technique Offset print Material Off white FSC marked paper, 170gsm/0.37 Ib. Made in Sweden Other Delivered in a cardboard postal tube.