Published in Ray Kurzweil, The Singularity Is Near: When Humans Transcend Biology, Viking Adult, 2005 (graph appears on p.19, description is p.18-20 plus notes on p.501-502).

Description: “Fifteen views of evolution: When plotted on a logarithmic graph, 15 separate lists of key events in human history show an exponential trend. Graphed by Ray Kurzweil, based on lists compiled by Theodore Modis, who “attempted to develop a precise mathematical law that governs the evolution of change and complexity in the Universe”. To reduce bias, Modis compiled thirteen multiple independent lists of major events in the history of biology and technology (…)” (to see the 15 lists, follow the link).