Lebesgues

Lebesgues is a surname of French origin. The standard spelling in most contexts is Lebesgue, and Lebesgues is the plural form used to refer to multiple people bearing the surname. The name is most closely associated with one dominant figure in the history of mathematics, but it also appears in various academic and public contexts.

The name is most widely linked to Henri Lebesgue (1875–1941), a French mathematician whose work laid the foundations of modern measure theory and integration. He introduced the Lebesgue measure and the Lebesgue integral, tools that enable the systematic integration of a broader class of functions than was possible with the Riemann integral. Lebesgue’s framework provided a rigorous basis for analysis and influenced areas such as probability and harmonic analysis, shaping much of 20th-century mathematics.

Outside Henri Lebesgue, individuals bearing the surname Lebesgue have appeared in diverse fields, but none has achieved the same level of international prominence in public mathematical or scientific discourse. The surname remains present in French-speaking regions and in mathematical literature primarily due to Henri Lebesgue’s enduring legacy. In references, Lebesgue is the standard spelling, with Lebesgues used when the plural form is needed.