Lawrence Argent, a sculptor known for whimsical, monumental works in public spaces, most notably a 40-foot blue bear that peers with seeming curiosity into a Denver convention center, died on Oct. 4 in Denver. He was 60.

His former wife, Anne Argent, said the cause was cardiac arrest.

Mr. Argent’s creations — a giant panda and a jumbo rabbit among them — have popped up in cities around the globe, but perhaps none more famously than in Denver, where the colossal bear, titled “I See What You Mean,” stands on its hind legs, its paws and nose pressed against a steel-framed glass wall of the Colorado Convention Center.

Did the bear lumber down from the Rockies? What does it make of the human beings inside the building? Is it blue to reflect its mood, having been uprooted from his natural habitat?