Louis de Broglie

About Louis de Broglie

Louis de Broglie was a pivotal French theoretical physicist whose early 20th-century work fundamentally altered the understanding of quantum mechanics. He is best known for his groundbreaking hypothesis proposing that particles, such as electrons, exhibit wave-like properties-a concept known as wave-particle duality. This revolutionary idea, formalized in his 1924 doctoral thesis, laid the groundwork for the full development of quantum theory, securing his legacy as one of the era's most influential scientific minds, which is reflected in his HPI Rank of #888.

Despite this profound historical importance, de Broglie's contemporary internet attention, measured by 147K annualized Wikipedia views in 2025, reveals a significant gap. His ranking places him far ahead of figures like Theodora (#599 importance), who garnered only 17K views in the same period, indicating a roughly 50x underattention relative to his documented historical influence. This suggests that de Broglie's quantum contributions are not translating into proportional modern online engagement.

Slightly concerning for his long-term digital footprint, the 2025 momentum data shows a small dip, with his Q1 to Q3 activity decreasing by -4%, though his overall year-over-year change remains a modest +1.6%.