Published: 12/28/2011 - Updated: 1 year ago

Dr. Snowflake at Imagination Station

Dr. Thomas Clark, a retired phsyician from the University of Michigan, who is known as "Dr. Snowflake" gives a presentation on cutting snowflakes at Imagination Station on Tuesday.

Enlarge | Buy This Photo Dr. Thomas Clark, a retired physician from the University of Michigan, who is know as "Dr. Snowflake, " shows where ... THE BLADE/ANDY MORRISON

Patti Chapman of Cary, North Carolina, has a laugh as her husband Rick Chapman, discovers his snowflake didn't quite turnout right as Dr. Thomas Clark, a retired physician from the University of Michigan, who is known as

Enlarge | Buy This Photo Patti Chapman of Cary, North Carolina, has a laugh as her husband Rick Chapman, discovers his snowflake didn't quite turnout ... THE BLADE/ANDY MORRISON

A snowflake on display made by Dr. Thomas Clark, a retired physician from the University of Michigan, who is know as

Enlarge | Buy This Photo A snowflake on display made by Dr. Thomas Clark, a retired physician from the University of Michigan, who is know ... THE BLADE/ANDY MORRISON

Kelsey Berher, 17, Oregon, cuts her paper as she follows along with Dr. Thomas Clark, a retired physician from the University of Michigan, who is known as

Enlarge | Buy This Photo Kelsey Berher, 17, Oregon, cuts her paper as she follows along with Dr. Thomas Clark, a retired physician from the ... THE BLADE/ANDY MORRISON

Enlarge | Buy This Photo Dr. Thomas Clark, a retired physician from the University of Michigan, who is known as "Dr. Snowflake, " cuts a ... THE BLADE/ANDY MORRISON

Somin Jin, 6, Bowling Green, admires her snowflake as she attends a workshop by Dr. Thomas Clark, a retired physician from the University of Michigan, who is know as

Enlarge | Buy This Photo Somin Jin, 6, Bowling Green, admires her snowflake as she attends a workshop by Dr. Thomas Clark, a retired physician ... THE BLADE/ANDY MORRISON

Yunju Seo, left, Bowling Green, admires the snowflake made by her daughter Somin Jin, 6, as they attend a workshop by Dr. Thomas Clark, a retired physician from the University of Michigan, who is know as

Enlarge | Buy This Photo Yunju Seo, left, Bowling Green, admires the snowflake made by her daughter Somin Jin, 6, as they attend a workshop ... THE BLADE/ANDY MORRISON

Dr. Snowflake at Imagination Station

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