Wilhelm II, also known as Friedrich Wilhelm Viktor Albert, was the last German Emperor and King of Prussia, ruling from 1888 until his abdication in 1918. Born into the Hohenzollern dynasty, he was the eldest grandchild of Queen Victoria of the United Kingdom. After succeeding his father as Kaiser, he dismissed Chancellor Otto von Bismarck and pursued an assertive foreign policy to strengthen Germany as a world power. However, his provocative statements and aggressive actions alienated other nations, contributing to the fall of the German Empire. His support for Austria-Hungary led to World War I, during which his delegation of power to the military resulted in a de facto dictatorship. Despite initial victories, Germany's defeat on the Western Front led to Wilhelm's abdication and the establishment of the Weimar Republic. He went into exile in the Netherlands and remained there until his death in 1941. Wilhelm's reign was marked by controversial decisions and policies that significantly impacted European history.

Wilhelm Keitel, a German field marshal, played a pivotal role in Nazi Germany's armed forces during World War II. Rising to prominence as the chief of the Oberkommando der Wehrmacht (OKW), he signed numerous criminal orders and directives that led to war crimes. Born in Helmscherode, Germany, Keitel initially aspired to take over his family's estates but pursued a military career instead. His service in the Prussian Army during World War I and subsequent roles in the Reichswehr contributed to organizing the paramilitary Freikorps units. Keitel's influence in German rearmament and his appointment as deputy commander of the 3rd Infantry Division underscored his ascent to power. Ultimately, he became the chief of staff after Hitler assumed command of the Wehrmacht. Indicted as a major war criminal, Keitel was found guilty on all counts, including crimes against humanity and peace, and was executed by hanging in 1946. His controversial legacy continues to be a subject of historical scrutiny.

Wilhelm Reich (1897-1957) was an Austrian doctor of medicine and a psychoanalyst, known for his radical contributions to the field of psychiatry. He authored influential books such as "The Impulsive Character" (1925), "The Function of the Orgasm" (1927), and "The Mass Psychology of Fascism" (1933). Reich's work on character and his concept of muscular armor influenced the development of body psychotherapy, Gestalt therapy, and primal therapy. He coined the phrase "the sexual revolution" and was considered its midwife. Reich also established the first sexual advisory clinics in Vienna and coined the term "orgone energy" during his time in Oslo, Norway. In 1939, he moved to New York and started building orgone accumulators, claiming they were beneficial for cancer patients. However, his work faced criticism, leading to legal issues and imprisonment. Reich's early life was marked by personal tragedies, including the death of his parents and a difficult upbringing. Despite his controversial legacy, Wilhelm Reich's impact on psychiatry and psychoanalysis continues to influence intellectual and therapeutic practices to this day.

Wilhelm Conrad Röntgen, born in 1845, was a German physicist renowned for his groundbreaking discovery of X-rays, leading to him being awarded the first Nobel Prize in Physics in 1901. Despite facing challenges during his education, including being expelled from high school, Röntgen's determination led him to study mechanical engineering at the Federal Polytechnic Institute in Zürich, followed by a PhD from the University of Zurich. His career saw him hold various prestigious positions at universities in Germany, with his significant contributions to physics and academia earning him widespread recognition.Röntgen's pivotal moment came in 1895 while conducting experiments with vacuum tube equipment, leading to the accidental discovery of X-rays. This revolutionary finding, later termed "Röntgen rays" in his honor, marked a turning point in the field of medicine and diagnostics. His relentless dedication to investigating the properties of X-rays and their applications has left an indelible mark on the scientific community, shaping modern medical imaging and radiation technology.Wilhelm Conrad Röntgen's legacy as a pioneering physicist and Nobel laureate continues to inspire generations of scientists and medical professionals, solidifying his enduring impact on the world of science and technology.

Wilhelm Frick (12 March 1877 – 16 October 1946) was a prominent German politician of the Nazi Party (NSDAP) who held several key positions in Adolf Hitler's government. He served as Minister of the Interior from 1933 to 1943 and as the final governor of the Protectorate of Bohemia and Moravia. Frick played a significant role in the consolidation of the Nazi regime, including the formulation of laws that defined Nazi racial policy, such as the Nuremberg Laws. He was also appointed to the Council of Ministers for Defense of the Reich just before the outbreak of World War II. Frick's early life saw him pursuing law and joining the Bavarian civil service before becoming involved in politics. He became a member of the Nazi Party in 1925 and was elected to the German Reichstag, where he gained prominence through his aggressive anti-democratic and antisemitic speeches. However, as the influence of the SS grew within the party, Frick fell out of favor and was eventually replaced as interior minister. Following Hitler's death, Frick remained in the cabinet as a minister without portfolio. After World War II, Frick was tried and convicted of war crimes at the Nuremberg trials and subsequently executed by hanging. His life and political career were marked by significant involvement in the Nazi Party and its regime, ultimately leading to his conviction as a war criminal.