Félix Étienne Pierre Mesnil (Omonville-la-Petite, La Manche department, 12 December 1868 – 15 February 1938, Paris) was a French zoologist, biologist, botanist, mycologist and algologist.
He was a student of Alfred Giard at the École Normale Supérieure and a classmate of Maurice Caullery. From 1892 he worked at the Pasteur Institute, initially as an associate demonstrator. He was an assistant of Louis Pasteur, and in the meantime, performed studies on cellular immunity, physiology and comparative pathology in the laboratory of Ilya Ilyich Metchnikov (1845–1916).
He founded the Pasteur Institute Bulletin with Gabriel Bertrand (1867–1962), Alexandre Besredka (1870–1940), Amédée Borrel (1867–1936), Camille Delezenne (1868–1932) and Auguste-Charles Marie (1864–1935).
As a member of the French Commission on sleeping sickness, he worked for the organisation of the mission in French Equatorial Africa.
He also worked for the creation of the Société de pathologie exotique, for which he became secretary, then president.
In 1903, together with Alphonse Laveran (1845–1922), he showed that the parasite responsible for the visceral leishmaniasis (or "Kala-azar", a fever in India), first described by William Boog Leishman (1865–1926), is a new protozoa, different from Trypanosoma, the agent of the sleeping sickness, and from Plasmodium, the agent of paludism (malaria). He temporarily named it Piroplasma donovani and Sir Ronald Ross (1857–1932) proposed the genus name Leishmania for it.
In 1920, he and Émile Roubaud achieved the first experimental infection of chimpanzees with Plasmodium vivax.
In 1908, he is assistant director at the École pratique des hautes études.
In 1910, he is professor at the Pasteur Institute.
In 1913, he is vice-president of the Société de biologie.
In 1920, he is a member of the Comité consultatif de l'enseignement de médecine vétérinaire coloniale.
In 1921, he is of member of the French Academy of Sciences.
In 1922, he is a founding member of the Académie des sciences coloniales.
In 1926, he is president of the Société zoologique de France.
In 1931, he is one of the free members of the Académie de médecine.
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Some of their strengths
Félix Mesnil has many admirable traits.
Based on spiritual traditions from around the world, they are someone who can be described as Independent, Energetic, Creative, Generous, Smart, Organized, and Confident.
Adventurous and Independent
According to Mysticism’s Astrology tradition, Félix Mesnil is someone who is an adventurous, independent, and energetic person, who is insightful, imaginative, generous, and honest. A person who seems to identify with family, heritage and ancestry.
Passionate and Intense
Based on Daoism’s Ba-Zi or ‘Chinese Zodiac’ tradition, people who know Félix Mesnil well know them as someone who can be passionate, proud, and intense, like the sun or a blazing fire.
Independent and Organized
According to Hinduism’s Jyotisha or ‘Vedic Astrology’ tradition, many would also describe Félix Mesnil as someone who is independent, organized, inventive, and generous.
A person who is curious and a loves learning, who seems to always know what to say, who has an optimism that can overcome any difficult situation, and who seems to be able to master almost any skill.
Wise and Deep
Based on the Mayan Tzolk’in or ‘Mayan Astrology’ tradition, Félix Mesnil is someone who tends to have an internal innate wisdom, and who people tend to see as an "old soul".
They are also someone who is intuitive, imaginative, and an agent of change, and who is always dreaming of life's great possibilities and partnering with people to try to achieve those possibilities.
Optimistic and Quick-witted
According to Judaism’s Kabbalah tradition, Félix Mesnil tends to be someone who is optimistic and spontaneous, and who has a clear and analytical mind. Who can be witty, with a happy-go-lucky- nature that makes others cheerful, and who possesses an adventurous zest for life.
Some of Félix Mesnil's challenges
While Félix Mesnil has many strengths, nobody is perfect. They also have some challenging traits they need to manage.
For example, Félix Mesnil can be Impulsive, Careless, Difficult, Perfectionist, Domineering, Impatient, and Demanding.
Impulsive and Careless
One of Félix Mesnil's key challenges is that they are someone who can be impulsive and careless.
Domineering and Impatient
Félix Mesnil is someone who can be demanding, egotistical, and controlling, can have a lack of judgment regarding personal finances, be argumentative and stubborn, and who can have a tendency to be withdrawn and spend time in self-imposed isolation.
Irritable and Callous
Finally, Félix Mesnil also can be short-tempered, childish, insensitive, and careless at times.
