Harvard's top ten

Ec 10 "Principles of Economics"919 Hum 9a "Oral and Early Literature"  553 Astro 8 "Cosmic Evolution"  519 Nat Sci 110 "Automatic Computing"  502 Chem 20 "Organic Chemistry"  435 Fine Arts 13 "Introduction to the History of Art"  418 Nat Sci 6 "Organismic and Evolutionary Biology"  402 Math 1a "Introduction to Calculus"  381 Nat Sci 3 "Introduction to Chemistry"  339 Ec 1500 "Financial Accounting"  323

If anything ties this list together, it is the two themes that run through it. All the courses here are introductory, and all are either obviously practical or wellknown guts. Some are both.