Leonhard Praeg is Extraordinary Professor in the Department of Philosophy at Stellenbosch University, South Africa. He lives in Makhanda in the Eastern Cape, from where he works as a freelance researcher, editor, writer, and yoga nidra teacher. Subtle Gravity is his second novel. Leonhard Praeg is Extraordinary Professor in the Department of Philosophy at Stellenbosch University, South Africa. He lives in Makhanda in the Eastern Cape, from where he works as a freelance researcher, editor, writer and yoga nidra teacher. Subtle Gravity is his second novel.