Lord Shiva merged in his Yantra, 5x7" laminated card, Of all human beings in History, Lord Shiva has given the most, to benefit humanity, he invented and pioneered many sciences of his time, including, dance, mudra, music, medicine, tantra, sadhana, yoga, and much more, most religions and spiritual practices in India and some other places have been influenced by Him directly or indirectly. Civilization as we know it, owes much to this father of Tantra yoga.