Reviews The Essential Engineer: Why Science Alone Will Not Solve Our Global Problems by Henry Petroski By Science News March 26, 2010 at 1:19 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print The approaches of scientists and engineers complement each other, an engineer and historian argues. The Essential Engineer: Why Science Alone Will Not Solve Our Global Problems by Henry Petroski Alfred A. Knopf, 2010, 274 p., $26.95.