Midi (5" x 7" x ½") Lined - No Closure - 176p - 100GSM Lined - No Closure - 240p - 100GSM Nikola Tesla was a Serbian-American inventor, physicist, futurist and engineer. Our cover features a sketch of his turbine research, reproducing a document held in Belgrade’s Nikola Tesla Museum. Today, his legacy endures with Tesla, Inc., which specializes in electric vehicles, solar panels and lithium-ion batteries.