André-Louis Debierne ( Paris, 14 July 1874-31 August 1949, Paris ) was a French chemist and is considered the discoverer of the element actinium.

* Actinium is discovered by Andre-Louis Debierne.

After a comparison of the substances half-lives determined by Debierne, Hariett Brooks in 1904, and Otto Hahn and Otto Sackur in 1905, Debierne's chosen name for the new element was retained because it had seniority.

Radium was isolated in its metallic state by Marie Curie and André-Louis Debierne through the electrolysis of radium chloride in 1910.

The Curie Museum, the guardian of this institutional heritage, houses Marie Curie ’ s personal chemistry laboratory and the director's office, which was successively occupied by Marie Curie from 1914 to 1934, by André Debierne until 1946, by Irène Joliot-Curie up to 1956, and lastly by Frédéric Joliot.

* André-Louis Debierne ( 9 °), chemist, discoverer of the element Actinium

André-Louis Debierne, a French chemist, announced the discovery of a new element in 1899.

In 1899, Debierne described the substance as similar to titanium and ( in 1900 ) as similar to thorium.

After the death of Pierre Curie in 1906, Debierne helped Marie Curie carry on and worked with her in teaching and research.

The true artist is like one of those scientists who, from a single bone can reconstruct an animal's entire body.

The place is inhabited by several hundred warlike women who are anachronisms of the Twentieth Century -- stone age amazons who live in an all-female, matriarchal society which is self-sufficient ''.

He speaks your language too, for he is the grandson of a chieftain on Taui who made much magic and was strong and cunning.

There was a measure of protection in its concrete walls and ceiling, but the engineers who hastily installed it were well aware that concrete is not much better than prayer, if as efficacious, when a direct hit comes along.

This is puzzling to an outsider conscious of the classic tradition of liberalism, because it is clear that these Democrats who are left-of-center are at opposite poles from the liberal Jefferson, who held that the best government was the least government.

In fact it has caused us to give serious thought to moving our residence south, because it is not easy for the most objective Southerner to sit calmly by when his host is telling a roomful of people that the only way to deal with Southerners who oppose integration is to send in troops and shoot the bastards down.

but there is a leavening of liberalism among college graduates throughout the South, especially among those who studied in the North.

but for this discussion the most important division is between those who have been reconstructed and those who haven't.

My definition of this much abused adjective is that a reconstructed rebel is one who is glad that the North won the War.

To him, law is the command of the sovereign ( the English monarch ) who personifies the power of the nation, while sovereignty is the power to make law -- i.e., to prevail over internal groups and to be free from the commands of other sovereigns in other nations.

Accidental war is so sensitive a subject that most of the people who could become directly involved in one are told just enough so they can perform their portions of incredibly complex tasks.

It is the gait of the human who must run to live: arms dangling, legs barely swinging over the ground, head hung down and only occasionally swinging up to see the target, a loose motion that is just short of stumbling and yet is wonderfully graceful.

Facing the forest now, she who had not dared to enter it before, walked between two trees at random and headed in what she believed was the direction of the pool.

If it were not for an old professor who made me read the classics I would have been stymied on what to do, and now I understand why they are classics ; ;

Jean Bodin, writing in the sixteenth century, may have been the seminal thinker, but it was the vastly influential John Austin who set out the main lines of the concept as now understood.

`` I have just come from viewing a man who had made the fortune of his country, but now is working all night in order to support his family '', he reflected.

that is, on the basis of his own sinfulness and abject wretchedness, Piepsam becomes a prophet who in his ecstasy and in the name of God imprecates doom on Life -- not only the cyclist now, but the audience, the world, as well: `` all you light-headed breed ''.

It celebrates the unknown architect who designed the temple of Neptune at Paestum, next to the Parthenon the noblest example of Grecian classic style now in existence.

He is a parent with a child to nurture, here and now, and he is an educator who worries about the children half way round the world.

Steele, who had earlier praised Molesworth in Tatler No. 189, now defended him in Englishman No. 46, depicting his removal as a setback to the Constitution.

In his fight for the Illinois and Indiana delegations, Hearst made several trips to Chicago to confer with Andrew Lawrence, the former San Francisco Examiner man who was now his Chicago kingpin, and once to meet with Bryan.

There was the Neapolitan, Ribas, a capable conniver whose father had been a blacksmith but who had fawned his way up the ladder of Catherine's and Potemkin's favor till he was now a brigadier ( and would one day be the daggerman designated to do in Czar Paul 1,, after traveling all the way to Naples to procure just the right stiletto ).

Alexander Vasilievitch Suvorov, now in his fifty-ninth year ( ten years Potemkin's senior ), was a thin, worn-faced person of less than medium height who looked like a professor of botany.

Apparently no serious disorders resulted from the celebration, and within a few days, Morgan joined the force of Lafayette who now had command of some 2,000 men at Barren Hill, not far above Philadelphia on the Schuylkill.

I have known some men and women who said that the selves they are told about or even remember seem utter strangers to them now ; ;

That fact is very clearly illustrated in the case of the many present-day intellectuals who were Communists or near-Communists in their youth and are now so extremely conservative ( or reactionary, as many would say ) that they can define no important political conviction that does not seem so far from even a centrist position as to make the distinction between Mr. Nixon and Mr. Khrushchev for them hardly worth noting.

But he, as I can now retort, was the man who could see so short a distance ahead that after a visit to Russia he gave voice to the famous exclamation: `` I have seen the future and it works ''.

The favorite excuse of those who have now recanted their approval of communism is that they did not know how things would develop.

But for the safety of Southeast Asia, and for the sake of the Laotian people -- who would not be well-ruled by either militant minority now engaged in the fighting -- this last big effort to seal that country from the cold war had to be made.

Anybody who is expecting a joyride should, according to Mr. Shriver, get off the train right now.

This means an added burden to innumerable postmen, who already are complaining of heavy loads and low pay, and it presumably means an increased postal deficit, but, our correspondent writes, think of the additional junk mail each citizen will now be privileged to receive on a regular basis.

She's been in and out of my house for a dozen years now, although she's still a teen-ager who looks like a baby, she is getting married.

The country was now full of Gazettes and Samuel C. Atkinson and Charles Alexander, who had just taken over Franklin's old paper, desired a more distinctive name.

After all, when one has asked whatever became of old Joe and Charlie when one has inquired who it was Sue Brown married and where it is they now live when questions are asked and answered about families and children, and old professors when the game and its probable outcome has been exhausted that does it.

They are less vocal now, when it is the West Berliners who are migrating.

We now have to think not only of our national security but also of the future generations who will suffer from any tests we might undertake.

One knows better, now, who has bone and who has jelly in his spine.