An Iowa lawyer connected to a landmark U.S. Supreme Court case has died.

Dan Johnston was just 30 years old in 1969 when the Supreme Court issued its ruling on the so-called

Dan Johnston

Dan Johnston

Tinker case. Johnston represented two students who were suspended from Des Moines Public Schools for wearing black arm bands to protest the Vietnam War.

The Supreme Court ruled school officials had violated the free-speech rights of John and Mary Beth Tinker.

Johnston is a native of Montezuma who got his law degree from Drake University. He was just a year about of law school when he took on the Tinker case.

John Tinker, Dan Johnston and Mary Beth Tinker in 2010 (photo courtesy of ACLU of Iowa)

John Tinker, Dan Johnston and Mary Beth Tinker in 2010. (photo courtesy of ACLU of Iowa)

Johnson died this morning at a Des Moines hospice. He was 77 years old.

On November 12, 1968, Johnston appeared before the U.S. Supreme Court to argue the Tinker v. Des Moines Independent Community School District. The court issued its ruling in February of 1969.

“It can hardly be argued that either students or teachers shed their constitutional rights to freedom of speech or expression at the schoolhouse gate,” Justice Abe Fortas wrote in the ruling. “This has been the unmistakable holding of this Court for almost 50 years.”

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