Nineteen years ago, former Vice President Walter F. Mondale fought off Mr. Hart's surprisingly strong challenge by famously demanding: "Where's the beef?"

Renée Fleming gave a gracefully barbed but affectionate tribute to Mr. Volpe, a famously demanding impresario.

Introduced in 1952 as a competition car, the original Mercedes 300SL won the 24 Hours of Le Mans the first time it competed in the famously demanding endurance race.

After all, this is an industry that created the corset, a garment that could cinch a narrow waist, as Scarlett O'Hara famously demanded, down to "18 and a half" inches.

The Canadian tenor Alan Woodrow was making his Seattle Opera debut in the famously demanding title role.

Oliver Cromwell famously demanded that his portrait show "all these roughnesses, pimples, warts, and everything as you see me, otherwise I will never pay a farthing for it."

Among her fans, the famously demanding architect Peter Eisenman called her "a very talented, highly energetic and motivated person."

Ms. Zollar, a famously demanding choreographer, takes a hard but infectiously empathetic look at her behavior and how it can affect even committed performers.

This role famously demands different vocal qualities in different acts.

At the (highly successful) premiere of The Magic Flute in 1791, Hofer took the role of the Queen of the Night, a famously demanding coloratura part.