Teddy bear origin: Named after Teddy Roosevelt sparing a cub in 1902.

First teddy bear: "Teddy's Bear" by Michtom in 1903.

Steiff's role: Margarete Steiff's jointed bear design in 1903.

Teddy bear craze: Global popularity by 1907.

Collectibles: Vintage bears can fetch $100,000+.

Teddy bear etymology: "Teddy" for Theodore or Edward.

Space bears: "Sam" and "Ted" explored space in 2014.