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Computing Pioneer Cleve Moler, LINPACK Creator, Dies at 86

8/3/2026

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Summary

Story summary

Cleve Moler died on May 20 at his home in Saint Michaels, Maryland, at age 86.
His daughter Kathryn Moler said Parkinson’s disease caused his death.
He helped create the FORTRAN libraries EISPACK and LINPACK, which let engineers and researchers perform advanced calculations without writing low-level code.
His work enabled fields such as finance and automobile design to use high-performance computing more easily.

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Story summary

Cleve Moler died on May 20 at his home in Saint Michaels, Maryland, at age 86.
His daughter Kathryn Moler said Parkinson’s disease caused his death.
He helped create the FORTRAN libraries EISPACK and LINPACK, which let engineers and researchers perform advanced calculations without writing low-level code.
His work enabled fields such as finance and automobile design to use high-performance computing more easily.