Frank P. Klatt, Jr.

November 9, 1927 ~ July 31, 2021 (age 93)

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Frank P. Klatt, Jr., 93, of St. Marys, OH died 8:24 p.m. on Saturday July 31, 2021 at Otterbein -- St. Marys.

He was born November 9, 1927 in Milwaukee, WI to Frank and Alma (Auler) Klatt, Sr.

On August 16, 2003 in Dayton, OH he married Bonnie L. Masters-Gulling who survives.

Also surviving are:

Son, Robert (Sarah) Klatt of Carlsbad, CA

Son, David “Deke” Klatt of Carpentaria, CA

Daughter, Lizbeth (Ed) Maul of Whitefish, MT

Daughter, Susan (Tony) Howard of Ventura, CA

step-son, Michael (Amy Rauch) Prether of Dayton, OH

step-daughter, April (Dennis) Prether-Delphenic of Dayton, OH

3 granddaughters    3 great-grandsons

He was preceded in death by: parents; sister Carol; sister Jean

A veteran of the United States Air Force, he proudly served as a captain in the Ballistic Missile Division and military intelligence.

He was a graduate of University of Michigan and University of Wisconsin, having earned Master’s Degrees in Mechanical Engineering and Aeronautical engineering.

He retired from the Aerojet-Rocketdyne Corp Ventura, Ca where he was Senior Project Engineer for RamJet Propulsion Systems.

A true “rocket scientist”, he immensely enjoyed his life’s work and the contributions he was able to make to space travel. Frank also helped to design the “Innovations in Aviation and Aerospace Discovery”  display for the Florida Air Museum.

A model train enthusiast, he designed and built an outdoor exhibit near his residence in Dayton, OH which was featured in numerous newspaper and magazine articles. He also enjoyed sailing his boat throughout the Pacific Ocean.

Rites are scheduled to begin at 2:00 p.m. on Friday August 6, 2021 at the Miller Funeral Home 1605 Celina Road (Ohio 703 West) in St. Marys. Military funeral honors will be presented at the conclusion of the services.

Visitation will be held from 12:000 noon - 2:00 p.m. on Friday at the funeral home.

Condolences may be expressed and memories shared with Frank’s family via:


To send flowers to Frank's family, please visit our floral store.


August 6, 2021

12:00 PM to 2:00 PM
Miller Funeral Home, Ohio 703 West Chapel
1605 Celina Rd.
St. Marys, OH 45885

Funeral Service
August 6, 2021

2:00 PM
Miller Funeral Home, Ohio 703 West Chapel
1605 Celina Rd.
St. Marys, OH 45885

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