In the annals of World War II European military history, Dwight D. Eisenhower, Omar Bradley, and George Smith Patton Jr. come to mind for the public and military historians alike. However, General Jacob Devers is often overlooked in World War II history. Devers had humble beginnings. However, he would leave a lasting impact on tank warfare. He held important strategic command posts and led a critical victory on the battlefield. General Jacob Devers’ impact on World War II military history was significant.
Daniel Boustead explains.
Jacob Devers (left) with British General Sir Henry Maitland Wilson. Public domain, available here.
Jacob Loucks Devers was born on September 8, 1887, in York County, Pennsylvania.[1] Jacob lived with his family in a house at 254 West York Avenue (now Roosevelt Avenue), which became the family's homestead.[2] A frequent pastime for young Jake involved playing sandlot ball.[3] At age 14, Jake entered York High School.[4] In early June 1905, he graduated from the same educational institution.[5]
On May 30, 1905, Devers’ York High classmate Bernard Pentz formulated an outstanding prophecy.[6] Pentz stated: “It was the scene of battle and there I saw General Jacob Devers, commander-in-chief of the United States Army, fighting a battle. Although the enemy had a greater number and Jacob was at a disadvantage in fighting on foreign soil, still by careful and original strategy, he has conquered his adversary”.
Jacob Devers was accepted at West Point based solely on high school grades and class standing, without the traditional military academy entrance exam.[7] He would begin his career at West Point at the institution in mid-June 1905.[8] He graduated from West Point on June 11, 1909, and graduated 39th out of a class of 103 male students.[9] In contrast, his classmate and future World War II General George Patton only graduated 46th. It was after his graduation that Jacob Devers was commissioned in the Field Artillery of the U.S. Army.[10] This move would impact his Army career in the years to come.
U.S. Army Armored Force
On August 1, 1941 he became the second chief of the U.S. Army Armored Force after its first chief, Adna Chaffee, became too ill with cancer to take command of the post.[11] He quickly revitalized the U.S. Army Armored Force headquarters . Devers was chosen for the task because, as an artilleryman, he represented a compromise between the interests of the infantry and the cavalry in the U.S. Armored Force.[12] His tactical influence in his new command was to ensure the armored divisions received ample firepower. This contrasted with General George Patton, who viewed the mobility of armor as the most important factor in tank warfare and he used light tanks in the same fashion as horses had been used in the past. Furthermore, Devers sought to stimulate improvements in guns, particularly self-propelled guns, which were used to support the tanks. Devers also devoted much attention to obtaining better tank engines, suspension systems, and communications and ammunition for the U.S Army Armored Force. In addition, he attracted new and young officers to come into the U.S. Army Armored Force to help spread and facilitate the dissemination and discussion of new ideas about Armored warfare. Devers’ basic goal when he took command of this U.S. Armored Force was to as he put it: ”Show that the tank is nothing but a mechanism to carry fire-power to the enemy position, utilizing mobility for tactical and strategical purpose”.
Devers and a fellow military officer named Ted Brooks coordinated the M7 Priest 105 millimeter self-propelled howitzer’s development with the American Locomotive Company, which began producing the self-propelled howitzer in 1942.[13]The M7 self-propelled howitzer would become one of the great American weapons success stories of World War II.
In a discussion with George Patton, Devers persuaded Patton to stop sending notes to Secretary of War Henry Stimson arguing that the M4 Sherman Tank should have more machine guns.[14] Patton then said to Devers “Jake, you’re the boss and I’m one of your commanders, and I’ll play ball.”
Jacob Devers also vetoed the M6 Heavy Tank, (an idea of Army Ordnance’s Gladeon Barnes), as not practical because it broke down too often.[15]
On November 11, 1943, Jacob Devers received the Distinguished Service Medal for his work with the U.S. Army Armored Force, especially for the period he served as chief of the group from August 1, 1941, to May 7, 1943, and the training of the group.[16]
European Theater of Operations
On May 7 1943, Devers was relieved of command as Chief of the U.S. Army Armored Force.[17] On May 8, 1943, General Devers boarded an airplane to England to become commander of the European Theater of Operations.[18] He replaced General Frank Maxwell Andrews, who was killed when his plane hit a mountain in Iceland in May 1943.[19]
General Marshall decided that Devers had the experience and qualities to continue the unfinished work left behind after Andrews’ death.[20] One of the first important achievements Devers made in his new command was to recommend Ira Eaker to be promoted to lieutenant general, which was a rank commensurate with his responsibilities as commander of the Eighth Air Force.[21] In addition, he and General Eaker reported to General Arnold that they were recommending Colonel Curtis LeMay and Colonel Edward Timberlake for promotion to brigadier general in the Army Air Force.[22] In the same conversation with General Arnold, Devers and Eaker were culling weaker leaders from the group and wing commander positions of the Army Air Force. On December 31, 1943, the U.S. Army relieved Jacob Devers of his London-based command of the European Theater of Operations (ETO).[23]
Sixth Army Group
On August 1, 1944, Jacob Devers became the Commanding General for the Sixth Army Group.[24] His Sixth Army Group was involved in Operation DRAGOON, the invasion of Southern France.[25] The Military operation was aided by heavy bombing on August 14, 1944, starting in Genoa and ending at a point 100 miles west of Marseilles. In addition to foggy weather, the military attack was aided by a group of approximately 2,100 Anglo-French personnel who carried radar-jamming transmitters that jammed the German radar. Furthermore, Pathfinder teams also set up beacons to illuminate the way for the military assault. Operation DRAGOON officially started on August 15, 1944. The Sixth Army Group encountered very little resistance from the Germans. In addition, by September 3, 1944, the city of Lyon had been captured. The first 30 days of Operation DRAGOON resulted in 80,000 Germans captured and thousands killed, at a cost of only 4,100 Allied casualties. The success of Operation DRAGOON also helped capture the important port of Marseilles, which was strategically important to the Allies. Marseilles was the largest Allied port city with the facilities the Allies needed. The Allies did not possess a larger port until Antwerp was opened in November 1944.
In September 1949, Jacob Devers retired from the U.S. Army.[26] He died on October 15, 1979 and is buried at Arlington National Cemetery.[27]
Not as famous as General Patton and others, Jacob Devers, nonetheless, proved to be a prime asset to the Allied cause! Devers was a military visionary and an armored warfare pioneer.
References
Blumenson, Martin, Patton Papers, Vol.2., “Maneuvers Section 17, August 9, 1941, page 41, box 8, file 8, Tank Destroyers Bruce and Devers of the Jacob Devers Papers, York County History Center, York, Pennsylvania.
Markey, Michael A JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and fund from the Robert P. Turner Foundation, 1998.
Robinson, Richard. “World War II Briefings: General Devers & the Sherman Tank”. Presented at the 5th World War II Briefings of the York County History Center, York, Pennsylvania, on May 9, 2026.
Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University Press of Kentucky, 2018.
[1] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and fund from the Robert P. Turner Foundation, 1998. 10.
[2] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and fund from the Robert P. Turner Foundation, 1998. 12.
[3] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 17.
[4] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 12.
[5] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 12 and 15.
[6] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 22.
[7] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 22 to 23.
[8] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 15.
[9] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 26.
[10] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 28.
[11] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 55 to 56.
[12] Blumenson, Martin, “Patton Papers”.Vol.3., “Maneuvers Section 17, August 9, 1941,page 41, box 8, file 8, Tank Destroyers Bruce and Devers of the Jacob Devers Papers, York County History Center, York, Pennsylvania.
[13] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 158.
[14] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 168 to 169.
[15] Robinson, Richard. “World War II Briefings: General Devers & the Sherman Tank”. Presented at the 5th World War II Briefings of the York County History Center, York, Pennsylvania, on May 9, 2026.
[16] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 67.
[17] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 61.
[18] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 204 to 205.
[19] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 61 to 62.
[20] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 212 to 213.
[21] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 219 to 220.
[22] Wheeler, James Scott, Jacob L. Devers : A General’s Life. 2015. Lexington, Kentucky: University of Kentucky Press, 2018. 223.
[23] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 61 to 62 and 68.
[24] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 68.
[25] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 73 to 78.
[26] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 98.
[27] Markey, Michael A, JAKE: The General from West York Avenue. York, Pennsylvania: The Historical Society of York County(now York County History Center ) and a fund from the Robert P. Turner Foundation, 1998. 112.