Alfred Free died in 2000. In addition to her son Eric, Ms. Free is survived by two other sons, Kurt and Jake; three daughters, Bonnie Grisz, Nina Lovejoy and Penny Moloney; a stepson, Charles; two stepdaughters, Barbara Free and Jane Linderman; 17 grandchildren; and nine great-grandchildren.

Miles Laboratories followed the introduction of the dip-and-read glucose test with a host of other tests designed to detect proteins, blood and other indicators of metabolic, kidney and liver disorders. “They sure went hog wild on diagnostics, and that’s all Al’s fault,” Ms. Free said in the commemorative booklet. “He was the one who pushed diagnostics.”

It wasn’t all smooth sailing. Several years after the introduction of the dip-and-read test, Miles moved Ms. Free to another division, citing an anti-nepotism policy. But two years later, after a change in management, she was transferred back to her husband’s division.

“They realized that breaking up a team like this was interfering with productivity in the lab,” Ms. Free said.

Alex Traub contributed reporting.

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