Their first collaboration in glass took place in 1979 at the Spruce Pine , North Carolina studio of Harvey Littleton , who had relocated there three years earlier , after his retirement from the University of Wisconsin .
Vogel and Littleton met while both were in college .
both 's first collaboration in glass took place in 1979 at the Spruce Pine , North Carolina studio of Harvey Littleton , who had relocated there three years earlier , after his retirement from the University of Wisconsin .
Vogel and Littleton met while both were in college .