Small plastic cups spanning a spectrum of colors covered the kitchen table, and a gaggle of kids gathered around. Robert Hulseman was trying to nail down the colors for his newly invented plastic Solo Cup.
"The (research and development) lab for the family business was our kitchen table," said Tom Hulseman, the seventh of Robert and his wife Sheila's 10 children. "The kids were the focus group."
They picked red, blue, yellow and peach. That peach one obviously didn't stick, but it was the 1970s, after all, said Paul Hulseman, the third oldest of the bunch.
Robert L. Hulseman, 84, died Dec. 21 in Northfield. He spent his life immersed in the Solo Cup...