The last efforts of the White Crystal Had the White Crystal been forgotten by everybody then? No! Carl Sagan and Vasilis Xanthos were consistently interested. They had been also joined by another fervent supporter, professor of Philosophy of Education at the University of Athens, Dr D. Liantinis. He had shown an interest since the initial appearance of the crystal, but back then, he was still completing his Ph.D. work, working outside Greece. Despite the fact that Carl Sagan had already started a simplified series on cosmology and the production of a documentary series titled ‘Cosmos’, and Vasilis Xanthos had accepted a position at the Department of Astrophysics, University of Crete, they could always make time to devote to the White Crystal. Sometimes, they got information about it over

