Template:Are You Sure/March 28

• ... that philosopher, mathematician, and political scientist Marie Jean Antoine Nicolas de Caritat, Marquis of Condorcet embodied the ideals of the Age of Enlightenment and rationalism; and that his thinking remains influential to this day?

• ... that mathematician Alexander Grothendieck was the leading figure in the creation of modern algebraic geometry; and that his research extended the scope of the field and added elements of commutative algebra, homological algebra, sheaf theory, and category theory; and that his relative perspective led to advances in pure mathematics?

• ... that physicist and academic John D. Strong contributed to optical physics, developing optical devices and materials including improved telescope mirrors and anti-reflective coatings; and that Strong detected water vapor in the atmosphere of Venus?

• ... that the image Pyramid of the Sun is an entirely digital image, with no hand drawing, and that its pyramidal effects arises from the halftone effect?