t he life of l eonhard e uler p roject n e.m.o.. e uler was born in b asel (s witzerland ). h e was...

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THE LIFE OF LEONHARD EULER PROJECT NE.M.O.

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Page 1: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

THE LIFE OF LEONHARD EULERPROJECT NE.M.O.

Page 2: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

EULER WAS BORN IN BASEL (SWITZERLAND). HE WAS THE SON OF PAUL EULER, A CALVINIST MINISTER.

1, 2, 3, …,4x5 = 20,

the number e

What is this kid talking about?

Page 3: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

BY THAT TIME, EULER –ACCORDING TO HIS FATHER’S WILL- WAS DEVOTED TO THE STUDY OF THEOLOGY.

I’ve told you a hundred times to behave as your father!

cx

xdx 2

2

Page 4: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

GRAND PRIZE OF THE PARIS ACADEMY : EULER WAS LATER ON AWARDED THAT SAME PRIZE TWELVE TIMES.

I guess I’ll be awarded the first prize in the future 1st Contest

2nd PrizeLeonhard Euler

Academy of Sciences

Paris, 2nd April 1927

Page 5: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

HE ARRIVES IN ST. PETERSBURG ON 17TH MAY 1727.

Where shall I go, Saint

Petersburg or Foligno?

Miau, Miau

Heidi Martin Margarita

Page 6: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

EULER EVEN SERVED AS A MEDICAL LIEUTENANT IN THE RUSSIAN NAVY AS AN EXTRA JOB FROM 1727 TO 1730.

When is lunch time?

11 o’clock on the dot.

Page 7: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

EULER MARRIED KATHARINA GSELL ON 7TH JANUARY 1734.

JUST MARRIED

7 th of January, 1734

Page 8: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

POLITICAL TURMOIL IN RUSSIA, CONTRIBUTED TO EULER MOVING FROM ST. PETERSBURG ON 19 JUNE 1741.

Kiuruvesi

Will the lakes be frozen?

Page 9: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

EULER'S HEALTH PROBLEMS BEGAN IN 1735 WHEN HE HAD A SEVERE FEVER AND ALMOST LOST HIS LIFE.

At least, I’ve got one eye left.

Page 10: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

EULER WAS DISTINGUISHED BY THE PARIS ACADEMY. HIS PROPOSITION WAS ABOUT THE CALCULATION OF PLANETARY ORBITS AND THE MOTION OF THE MOON.

We could ask him for a statistic analysis of the shopping basket.

Page 11: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

THE SIGHT OF HIS ILL EYE WORSENED DURING HIS STAY IN GERMANY TO SUCH AN EXTENT THAT FREDERICK USED TO CALL HIM CYCLOPS.

How are you, Mr. Cyclops?

Fine, “Freddy”

Page 12: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

IN 1771 HIS HOME WAS DESTROYED BY FIRE AND HE -WITH THE HELP OF PETER GRIMM- WAS ABLE SAVE HIS LIFE.

I’ve told you a hundred times not to shout "Lyö löylyä!" in the Sauna

Now, let’s go to the lake.

Page 13: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

EULER SPENT HIS LAST 17 YEARS TOTALLY BLIND.

Hopefully, when I get retired my salary will be good enough to afford a short trip to Foligno or Strasburg.

Wow, wow

Page 14: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

HE WAS, HOWEVER, ABLE TO CONTINUE WITH HIS WORK DESPITE HIS TOTAL BLINDNESS.

I shall write a letter to my friends from Italy, France, Finland and Spain to ask about the Ne.M.O. project.

Page 15: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

HE WAS A HOME-LOVING MAN AND VERY FOND OF KIDS.

I’m thinking about joining the Ne.M.O. project.

Page 16: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

EULER DIED ON 18TH SEPTEMBER 1783.

R.I.P

Leonhard Euler 1707-1783

xdx

ducos

Page 17: T HE LIFE OF L EONHARD E ULER P ROJECT N E.M.O.. E ULER WAS BORN IN B ASEL (S WITZERLAND ). H E WAS THE SON OF P AUL E ULER, A C ALVINIST MINISTER.B ASELS

EULER’S RELEVANT ACHIEVEMENTS:

n

n ne

11lim

He defined the mathematical constant known as number e

He used the exponential function and logarithms in analytical demonstrations. For any real number φ, Euler´s formula states:

n

n ne

11lim