Question: Who were the brigadier generals?
About the article "The Invisible War", section "Military personnel".

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Confederate States Army uniforms.
Army officers.
On the upright collar of full generals, lieutenant generals, major generals, and brigadier generals three stars were stitched within a wreath, all embroidered in gold coloring.
The center star was slightly larger than the other stars.
It was not possible to know which grade of general an officer was by their collar insignia.
However, major generals and lieutenant generals wore three groups of buttons down the front of the overcoat, and brigadiers wore groups of two.
However, Confederate Army Regulations had no distinction between the General Officer grades, and had only the insignia for Brigadier Generals recognized.
At least 3 Generals officers did not wear the prescribed uniform: Robert E. Lee who wore the uniform of a Colonel, refusing to wear a generals insignia until the Confederate victory; Joseph L. Hogg, who died of a fever; and Benjamin McCulloch. 
These generals were most often infantry or artillery brigade commanders, aides to other higher ranking generals, and War Department staff officers.
By war's end the Confederacy had at least 383 different men who held this rank in the PACS, and three in the ACSA: Samuel Cooper, Robert E. Lee, and Joseph E. Johnston.
The organization of regiments into brigades was authorized by the Congress on March 6, 1861.
Brigadier generals would command them, and these generals were to be nominated by Davis and confirmed by the Confederate Senate.
Though close to the Union Army in assignments, Confederate brigadiers mainly commanded brigades while Federal brigadiers sometimes led divisions as well as brigades, particularly in the first years of the war.
These generals also often led sub-districts within military departments, with command over soldiers in their sub-district.
These generals outranked Confederate Army colonels, who commonly led infantry regiments.
This rank is equivalent to brigadier general in the modern U.S. army. 
The following is a list of senior Royal Flying Corps generals.
While officially general officers are not considered to belong to any regiment or corps (simply being "late" of their erstwhile regiment), in practice almost all the general officers ever to hold a Royal Flying Corps-related appointment gained their promotion to the general officer ranks in a Royal Flying Corps-related appointment and remained in such appointments until the creation of the Royal Air Force on 1 April 1918.
Royal Flying corps generals them became Royal Air Force generals.
Two officers took up Royal Flying Corps related appointments while holding general officer rank.
They were David Henderson who was already a brigadier-general when the Royal Flying Corps was established and Edward Ellington was promoted to brigadier-general while serving on the General Staff of the British VIII Corps in France, prior to taking up appointment as Deputy Director-General of Military Aeronautics.
Conversely Duncan MacInnes gained his promotion to brigadier-general while serving at the Military Aeronautics Directorate but subsequently served with the Royal Engineers.
Ranks indicated are the highest rank the officer obtained while in the RFC.
Brigadier-General R E T Hogg, temporary promotion 5 August 1917 Brigadier-General G Livingstone, temporary promotion 9 August 1917 Brigadier-General T C R Higgins, temporary promotion 1 September 1917 Brigadier-General E R Ludlow-Hewitt, temporary promotion 17 October 1917 Brigadier-General J G Hearson, temporary promotion 28 October 1917 Brigadier-General A E Borton, temporary promotion 14 December 1917 Brigadier-General A Huggins, temporary promotion 22 December 1917 Brigadier-General C L N Newall, temporary promotion 28 December 1917 Brigadier-General A C Critchley, temporary promotion 4 March 1918 Brigadier-General C F De S Murphy, temporary promotion 6 March 1918  
Historically, the United States Army included two components: the permanently established Regular Army, which constituted the peacetime force; and, during time of war, a much larger non-permanent establishment comprising various volunteer, conscript, and federalized state forces.
There were two types of brigadier generals in the Regular Army:  A brigadier general of the line was an officer who was commissioned in the permanent grade of brigadier general and therefore maintained that personal rank regardless of assignment.
A brigadier general of the staff was an officer who held the "ex officio" rank of brigadier general only while occupying an office designated by statute to carry that rank.
Brigadier generals in the non-permanent or non-federal establishments included the following:  A brigadier general of militia was appointed or elected to that rank in one of the state militia forces.
A brigadier general of levies was appointed to that rank in the federal volunteer forces raised during the Northwest Indian War.
A brigadier general of volunteers was appointed to that rank in the United States Volunteers during the War of 1812, the Mexican War, the Civil War, or the Spanish-American War.
A brigadier general of state volunteers was appointed to that rank in one of the non-federal volunteer forces raised by individual states during the War of 1812, the Mexican War, the Civil War, or the Spanish-American War.
A brigadier general in the Provisional Army was appointed to that rank in the non-permanent Regular Army augmentation force authorized during the Quasi-War by the Act of May 28, 1798.
A brigadier general in the Eventual Army was appointed to that rank in the non-permanent Regular Army augmentation force authorized during the Quasi-War by the Act of March 2, 1799.
Brigadier generals in other establishments included the following:  A brigadier general in the Continental Army was appointed to that rank in the United States Army's predecessor organization during the American Revolution.
A brigadier general in the Army of the Confederate States of America was the Confederate States Army equivalent of a Regular Army brigadier general during the Civil War.
A brigadier general in the Provisional Army of the Confederate States was the Confederate States Army equivalent of a brigadier general of volunteers during the Civil War.
In addition, honorary brevet ranks of brigadier general were conferred in several organizations:  A brevet brigadier general was awarded that brevet rank in the Regular Army, typically for actions in the War of 1812, the Mexican War, or the Civil War.
A brevet brigadier general of volunteers was awarded that brevet rank in the United States Volunteers, typically for actions in the Civil War or the Spanish-American War.
A brevet brigadier general of militia was awarded that brevet rank in one of the state militia forces.  
Otho French Strahl (June 3, 1831 – November 30, 1864) was a German American attorney and a brigadier general in the Confederate States Army during the American Civil War.
He was one of a small number of Southern generals who were born in the North.