John G. Ziegler

{{Short description|American engineer (1909–1997)}}

{{Other people|John Ziegler}}

{{one source|date=January 2020}}

{{Infobox scientist

| name = John G. Ziegler

| image = Replace this image male.svg

| caption =

| birth_date = {{birth date|1909|08|21}}

| birth_place =

| death_date = {{death date and age|1997|12|09|1909|08|21}}

| death_place = Scottsdale, Arizona

| nationality = American

| field = Control theory

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}}

John G. Ziegler (August 21, 1909 – December 9, 1997) was an American control engineer who made significant contributions to the field of control theory. He is well known for his research paper on Ziegler-Nichols method, co-authored with Nathaniel B. Nichols.{{cite web

|url=

https://www.controleng.com/articles/co-creator-of-control-loop-tuning-equation-dies/

|title=Co-Creator of Control Loop Tuning Equation Dies

|publisher=Control Engineering

|accessdate={{Format date|2015|7|27}}}}