The meticulously hand-drawn notebooks of José Naranja call to mind the rusticated, penned scribings and illustrations of Leonardo da Vinci. Detailed sketches, diagrams, and hand-penned cursive writing fill the journals of Naranja—who is also an airplane engineer, not unlike that Renaissance inventor-artist. Consciously or unconsciously, Naranja follows in the footsteps of that master draftsman. Or it…