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Photographic portrait of Pope Leo XIII, seated, in a white cassock.

Pope Leo XIII · c. 1898

Room III · His work

From Warmeriville to Rome

Léon Harmel was neither a theorist nor a politician. But through his books, his congresses and his pilgrimages, this provincial mill owner left his mark on the Church of his time.

1875-1905

The books of an employer

In 1877, Mame of Tours published the Manuel d'une corporation chrétienne (Handbook of a Christian Corporation). In it, Harmel described Val-des-Bois and drew a method from it. The second edition, in 1879, was the one that truly circulated and made the experiment known throughout Catholic Europe. In it we read the source of his commitment:

In his eyes the workers are not common men, weak and fickle. They are souls redeemed by the blood of Jesus Christ.
Léon Harmel · 1877

In January 1889, he published the Catéchisme du patron (Employer's Catechism), “drawn up with the help of a great many theologians”. In question-and-answer form, it sets out the duties of the head of a business: a just wage, respect for rest, the dignity of the worker, the role of associations. Most of these themes would be taken up two years later by Rerum Novarum.

These were followed by brochures on the Val (1890, 1895, 1897), the review Annales de Notre-Dame de l'Usine (from 1886), and in 1903 La Démocratie dans l'usine (Democracy in the Factory), a lecture given in Rome, which contains his most famous motto.

Léon Harmel, Manuel d'une corporation chrétienne (Handbook of a Christian Corporation), title page·1877Tours, Alfred Mame et fils · Source gallica.bnf.fr / BnF (copy held by the Institut catholique de Paris) · Public domain, non-commercial reuse
Catéchisme du patron (Employer's Catechism), edited by Léon Harmel, title page·1889Paris, at the offices of the newspaper La Corporation · Source gallica.bnf.fr / BnF · Public domain, non-commercial reuse

His books, speeches and letters, together with accounts by his contemporaries, can be read in full on the Texts page, re-edited as PDFs from the originals.

1873-1892

The Workers' Circles

In the aftermath of the Commune, Albert de Mun and René de La Tour du Pin founded the Œuvre des cercles catholiques d'ouvriers (Catholic Workers' Circles): places where workers and the “ruling class” could meet around their faith. Harmel joined them in 1873 and took part in their congresses.

Val-des-Bois became the movement's showcase: what others described, Harmel put into practice. But their paths diverged. De Mun and La Tour du Pin dreamed of Ancien Régime-style corporations; Harmel, in close contact with his workers, turned towards democracy. He withdrew from the movement's council of studies in 1882, and the break with de Mun was complete in 1892.

The house where the first Catholic Workers' Circle was born (Paris, 1865)·early 20th centuryEugène Atget · Wikimedia Commons · Public domain
1885-1897

France du Travail in Rome

The idea was Léon Harmel's, and it was new: to bring to the pope not delegations of notables, but workers and employers together. This would be “La France du Travail à Rome” (Labour France in Rome). It meant organising the journey, lodging and funding for thousands of people.

FranceItalyReimsTurinRome
Schematic route · one dot = 100 pilgrims · base map Natural Earth (public domain), via world-atlas

October 1889

≈ 10,000

workers, employers and priests

The largest gathering: nearly ten thousand pilgrims of the “France du Travail” (Labour France). Leo XIII confided to Harmel: “it is through them [the workers] that the good cause can be made to triumph”.

On the front page of Le Monde illustré of 3 October 1891: Leo XIII celebrates Mass before the French workers. The paper praised the pilgrimage organised by M. Harmel, which “has had the greatest resonance in the Eternal City”.·3 October 1891Drawing by Gerlach, after an instantaneous photograph · Le Monde illustré, no. 1801 · Source gallica.bnf.fr / BnF · Public domain, non-commercial reuse
The plan of Rome drawn up for the 1889 labour pilgrimage: the sightseeing routes are traced in red. Open it full size and zoom in to follow in the pilgrims' footsteps.·1889Abbé H. Nicole (Paris, Poupin) · Source gallica.bnf.fr / BnF, Maps and Plans department, GE D-1238 · Public domain, non-commercial reuse
Le Noël des ouvriers (The Workers' Christmas), a cantata offered to Leo XIII “in memory of the 1891 pilgrimage”: a peasant and a blacksmith acclaim the pope's coat of arms.·c. 1891-1895Lithograph by H. Viollet; words by Arthur Nebout, music by Aloys Kunc · Source gallica.bnf.fr / Bibliothèque municipale de Toulouse (Res. Mus. B 147) · Public domain, non-commercial reuse
Leo XIII in the Vatican Gardens·1898Unknown photographer · Library of Congress, via Wikimedia Commons · Public domain
15 May 1891

Rerum Novarum “of new things”

On 15 May 1891, Leo XIII published the encyclical Rerum Novarum, “of new things”: the Church's first major statement on the condition of the workers. It condemned both socialism and unbridled liberalism, and defended a just wage, the right of association, rest and the protection of the weak.

Harmel was not its author, but he had prepared the ground. Cardinal Langénieux was authorised to present it as “the reward of the workers' pilgrimages”. And the pope is credited with these words about Harmel: “This dear son has given me the best days of my pontificate.”

Forty years later, Pius XI's encyclical Quadragesimo anno (1931) enshrined three of the Val's insights without naming Harmel: a wage that takes family responsibilities into account, the principle of subsidiarity, and the idea of tempering the wage contract with elements of a partnership contract.

L'Osservatore Romano of 15 May 1891, publishing the encyclical Rerum Novarum·15 May 1891L'Osservatore Romano · Wikimedia Commons · Public domain
1888-1904

Christian democracy

From 1888, Harmel stepped beyond the mill. He launched La Croix de Reims, in 1889 led an election campaign in Reims “for Jesus Christ”, without standing as a candidate himself, and in 1891 founded an association of Christian employers, the Union fraternelle du commerce et de l'industrie (Fraternal Union of Commerce and Industry). On 8 January 1890, he adopted a motto: “Christ and Liberty”.

In 1893 and 1894, he convened Christian workers' congresses in Reims; in 1896, he spoke at the national congress of Christian democracy in Lyon. This commitment earned him opponents within the Church itself: the Catholic employers of the Nord, attached to mixed unions, and Bishop Turinaz of Nancy, who in 1902 wrote Périls de la foi (Perils of the Faith).

Whatever is not of the people does not seem to me worth our efforts: that is my particular passion.
Léon Harmel · 1889
A 1908 postcard: beneath the portrait of the Good Father, his Blois profession of faith.·1908Postcard · Archives départementales des Ardennes, 8FI 13973, accessed 28 September 2026 · Licence Ouverte

“We must declare ourselves clearly republican, clearly democratic and clearly Christian, in order to serve God, the People and the Fatherland.”

Léon Harmel · speech at Blois, 3 April 1899
1885-1907

The Val, a training school

Harmel was convinced that people had to be trained. In 1885, he helped to found an industrial school at the Catholic Faculties of Lille, which has since become an engineering school. Above all, from the late 1880s until the early 20th century, he opened Val-des-Bois every summer to social study sessions for seminarians and young priests, who discovered the mill from the inside.

Among those who came were Marc Sangnier, who would found the Sillon, and the Belgian Paul Tschoffen; around 1907, the young Abbé Joseph Cardijn, future founder of the Young Christian Workers. The formula foreshadowed the Semaines sociales de France (Social Weeks), the first of which was held in Lyon in 1904.

The first Semaine sociale de France (Social Week), Lyon·1904Unknown photographer · Archives municipales de Lyon, via Wikimedia Commons · Public domain
Key figures

His network of loyal friends and allies

  • Leo XIII

    1810-1903

    Pope from 1878 to 1903, author of Rerum Novarum. “The Harmels must multiply,” he is said to have remarked.

  • Benoît-Marie Langénieux

    1824-1905

    Archbishop of Reims, cardinal, companion on all the workers' pilgrimages.

  • Albert de Mun

    1841-1914

    Army officer, then deputy, founder of the Œuvre des cercles catholiques d'ouvriers (Catholic Workers' Circles). The two men parted ways in 1892.

  • René de La Tour du Pin

    1834-1924

    Theorist of Christian corporatism; he inspired the very word “corporation”.

  • Abbé Jules Lemire

    1853-1928

    Priest and deputy for Hazebrouck, a leading figure among the “democratic abbés”, he launched the ecclesiastical congress of Reims in 1896.

  • Marc Sangnier

    1873-1950

    Founder of the Sillon; he attended the study sessions at Val-des-Bois.

  • Joseph Cardijn

    1882-1967

    Young Belgian priest who visited the Val around 1907, future founder of the Young Christian Workers.

Continue the tourModernityWorks councils, family allowances, participation: what Harmel handed down, and what lives on today.