Compilation of Mathematicians and Their Contributions

I. Greek Mathematicians Thales of Miletus Birthdate: 624 B.C. Died: 547-546 B. C. Nationality: Greek Title: Regarded as â€Å"Father of Science† Contributions: * He is credited with the first use of deductive reasoning applied to geometry. * Discovery that a circle is bisected by its diameter, that the base angles of an isosceles triangle are equal and that vertical angles are equal. * Accredited with foundation of the Ionian school of Mathematics that was a centre of learning and research. * Thales theorems used in Geometry: 1. The pairs of opposite angles formed by two intersecting lines are equal. 2. The base angles of an isosceles triangle are equal. 3. The sum of the angles in a triangle is 180 °. 4. An angle†¦show more content†¦The attribution is held to be anachronistic however by J J OConnor and E F Robertson who name Theon of Alexandria as a more likely author. 4. Phaenomena, a treatise on spherical astronomy, survives in Greek; it is quite similar to On the Moving Sphere by Autolycus of Pitane, who flourished around 310 BC. * Famous five postulates of Euclid as mentioned in his book Elements 1. Point is that which has no part. 2. Line is a breadthless length. 3. The extremities of lines are points. 4. A straight line lies equally with respect to the points on itself. 5. One can draw a straight line from any point to any point. * The Elements also include the following five common notions: 1. Things that are equal to the same thing are also equal to one another (Transitive property of equality). 2. If equals are added to equals, then the wholes are equal. 3. If equals are subtracted from equals, then the remainders are equal. 4. Things that coincide with one another equal one another (Reflexive Property). 5. The whole is greater than the part. Plato Birthdate: 424/423 B.C. Died: 348/347 B.C. Nationality: Greek Contributions: * He helped to distinguish between pure and applied mathematics by widening the gap between arithmetic, now called number theory and logistic, now called arithmetic. * Founder of the Academy in Athens, the first institution of higher learning in theShow MoreRelatedTrigonometry: The Hipparchus Catalogue Essay575 Words   |  3 Pagesthis astronomer I’m about to talk about, his name is Hipparchus. Hipparchus is a greek astronomer, mathematician and geographer. Hipparchus brought 3 contributions models, another math formula, and a method of prediction. He proposed around 250 BC, the Earth went around the Sun. If you want to find out more about this astronomer keep reading and you’ll find out about his life and about his contribution to this Earth. Also to the mathematical world by bringing another form of math into the equationRead MorePlato s Republic And Other Philosophers1409 Words   |  6 Pagessocieties they conquered. 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Social Work And Social Welfare - 2300 Words

QUESTION 1: What Is Social Work And Social Welfare? Compare and contrast (20) According to Leiva (2014), Social work is a profession that gives help or advice to individuals, groups or communities who have financial or family problems. However, the National Association of Social Work (NASW) define social work as a professional activity of helping individuals, groups, or communities enhance or restore their capacity for social functioning and creating societal conditions favourable to this goal. Karen (2010, p.23) states that Social work practice consists of the professional application of social work values, principles and techniques to one or more of the following ends. †¢ Helping people obtain tangible services (e.g. those involving†¦show more content†¦Discuss? Social work is a profession in that the field has evolved over time to follow well established tenets that guide its practice. Using a diversity of knowledge based on scientific inquiry, social work profession helps the human and community wellbeing. Guided by a strict ethics, being principles that specify what is good and what is bad help to clarify what should and should not be done (National Association of Social workers (NASW) code ethics is based on professional values (NASW 1999). Another aspect to consider is the adherence to confidentiality which is the ethical principle that entails that workers should not share information provided by a client unless that worker has the client’s permission to do so. Social workers also have established guidelines to ethical decision making that can help them get through the difficult decision making process when solving ethical dilemma (Kirst Ashman Hull, 2009 and Dolgoff, Loewenberg Harrington 2009, Reamer, 1998). The NASW argument that Social work is a profession by establishing code of ethics, general goals or mission and identifies core values as hereunder: 1. 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Private Peaceful Free Essays

The lost generation Michael Morpurgo’s Private Peaceful enables Diane Samuels to explore distant memories of the first world war Private Peaceful by Michael Morpurgo Time and memory shape this latest work, set during the first world war, from Michael Morpurgo, the children’s laureate. The style is simple and eloquent, the pace as gentle as it is persistent and ominous. A watch, given by an injured captain to the private who rescued him under fire, marks the passing of the minutes and hours through one night. We will write a custom essay sample on Private Peaceful or any similar topic only for you Order Now Each chapter signals its progress: five past ten, twenty to eleven, nearly quarter past eleven, the watch ticking like a heartbeat you can almost hear, until we reach our destination at one minute to six the following morning. Private Tommo Peaceful is sitting in some kind of vigil, the true nature of which is revealed in the closing pages. As he forces himself to stay awake he tracks the journey of two brothers in arms, himself and the older Charlie, from their home in the west country to the killing fields of Ypres. It’s like we’re living two separate lives in two separate worlds, Tommo,† Charlie tells his brother on returning to the trenches after a stint back home to recover from an injury. â€Å"I never want the one to touch on the other. † And so he has not told his mother, his new wife Molly, or his simple-minded eldest brother Joe about the terror of a gas attack, the carnage in the mud, the lice, the rats and the sheer exhaustion of staying alert t o Fritz. He has said not a word about seeing childhood friends with blank eyes and a bullet-hole in the head, about waiting for the next bullet or shell to have his own name or that of his brother written on it. It is left to Tommo to bring the two worlds together in his mind, and it is this that he does as he waits through his long night. â€Å"Remember. Remembrances are real,† he exhorts himself, and summons up his memories. There is a quiet defiance in the way he asserts the depth of his experience, proving that he is not simply war-fodder, a target, a bayonet-wielder. This is a whole human being, son of a forester on a landed estate. He remembers his first boots for school, his fear of his bullying teacher. He still loves the girl from his first class who ended up marrying his brother. He can still dream the monstrous dreams about his mother’s aunt, Grandma Wolf, like some grotesque being from a fairy tale, who used to strap him daily. More than anything else, he carries with him the guilty secret about his father’s accidental death under a falling tree. This is the world of English rural life, no idyll but vibrant and class-ridden, which he enables the reader to inhabit with him, untouched for the most part by the war, for the first half of the book. Then the landowner of the estate, the colonel, threatens to eject the Peaceful family from their tied cottage unless Charlie joins up. Tommo insists on accompanying him. He cannot bear to think of himself as a coward. He cannot desert his brother to his fate. Nearly a century later, Morpurgo invites his reader to enter a defining moment in history through the doorway of individual experience. It is a humanising and humane work, rooted in the land of England and the wastelands of Europe. It brings alive the holocaust of young men at the beginning of the 20th century for those who might not even be aware that the killing fields existed. The book never overplays the tragedy, nor does it resort to horror, yet I have a reservation. Tommo remembers his childhood as if he is relating it to someone rather than evoking the memories within himself. The internal voice sounds throughout like that of the writer rather than that of the character: it needs to be more impressionistic, less a monologue directed at the reader than a soliloquy in which the reader overhears Tommo in his most private state of mind. This â€Å"telling† tone, which sadly gives this well-written book an air of literary conceit, might well owe something to the fact that Morpurgo drew his inspiration from interviews conducted with three farm-boy veterans in their 80s. It is as if this long perspective has permeated the narrative and imbued it with a sense of distance. Time and memory can play some funny tricks. How to cite Private Peaceful, Essay examples