The ultramicroscope was developed by Richard Adolf Zsigmondy ( 1865-1929 ), who was awarded a Nobel Prize in 1925 for his research on colloids and the ultramicroscope.

Richard Adolf Zsigmondy ( 1 April 1865 – 23 September 1929 ) was an Austrian-Hungarian chemist and Nobel laureate for chemistry known for his research in colloids.

Zsigmondy was born in Vienna, Austrian Empire to Hungarian parents Irma Szakmáry, a poet born in Martonvásár and Adolf Zsigmondy Sr., born in Bratislava, who had been a scientist and had invented surgical instruments in the field of dentistry.

The Zsigmondy family, who was Lutheran, can trace back its origin to Johannes ( hung.

He was a cousin of the architect Frigyes Schulek, whose mother was Auguszta Zsigmondy.

Chemist and winner of the 1925 Nobel Prize in Chemistry Richard Adolf Zsigmondy was able to understand and explain that small colloids of gold were responsible for the red colour.

Behind the cenotaph but within the decorative chain is a flat bronze plate which marks the site of an artesian well whose drilling was completed in 1878 by Vilmos Zsigmondy.

Before Zsigmondy finished his PhD thesis in organic chemistry, he published research on colouring glass with silver salts and dissolved silver particles, which he recovered by dissolving the glass in hydrofluoric acid.

They are mostly associated with the name of Zsigmondy who made detailed studies of gold sols and other nanomaterials with sizes down to 10 nm and less.

* 1929 – Richard Adolf Zsigmondy, Austrian-Hungarian chemist, Nobel Prize laureate ( b. 1865 )

* April 1 – Richard Adolf Zsigmondy, Austrian-born chemist, Nobel Prize laureate ( d. 1929 )

* September 23 – Richard Adolf Zsigmondy, Austrian-born chemist, Nobel Prize laureate ( b. 1865 )

* Nobel lecture of R. A. Zsigmondy: Properties of colloids ( including a short explanation of the ultramicroscope )

Developed by Professor Richard Adolf Zsigmondy at the University of Göttingen, Germany, in 1927, membrane filters were first commercially produced by Sartorius GmbH a few years later.

The crater Zsigmondy on the Moon is named in his honour.

His brother Karl Zsigmondy became a notable mathematician in Vienna.

Zsigmondy left organic chemistry and joined the physics group of August Kundt at the University of Berlin and finished his habilitation at the University of Graz in 1893.

Zsigmondy left Schott Glass in 1900 but remained in Jena as private lecturer to conduct his research.

In 1925 Zsigmondy received the Nobel Prize for Chemistry for his work on colloids.

He is also related to the violinist Dénes Zsigmondy.

In 1898 Richard Adolf Zsigmondy prepared the first colloidal gold in diluted solution.

Apart from Zsigmondy, Theodor Svedberg, who invented ultracentrifugation, and Gustav Mie, who provided the theory for scattering and absorption by spherical particles, were also interested in understanding synthesis and properties of colloidal gold.

Zsigmondy is a lunar crater located beyond the northwestern limb on the far side of the Moon.

The rim of Zsigmondy is eroded and distorted in form, having a somewhat polygonal outline.

They were married over the week-end, though he was easily sixty and she could not have been even thirty.

True, she was my Aunt, married to an Uncle related to me only by marriage, but why she had married a man twice her age, and more, perhaps, I did not know or much care.

After a year in a studio on Sheridan Square, having married an American girl who was a native of Virginia, Helion moved to a village in the Blue Ridge mountains, where he produced some of the most imposing of his abstract canvases.

It is difficult to say what Thompson expected would come of their relationship, which had begun so soon after his emotions had been stirred by Maggie Brien, but when Katie wrote on April 11, 1900, to tell him that she was to be married to the Rev. Godfrey Burr, the vicar of Rushall in Staffordshire, the news evidently helped to deepen his discouragement over the failure of his hopes for a new volume of verse.

Now he was married to a beautiful girl, had a small son, and lived in an expensive apartment and worked for the movies.

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.

Ann Catt was a lonely, devoted soul, never married, conducting a spotless home and devoted to her church, but a perpetual dissenter and born critic.

But yes, nineteen plus thirty was forty-nine, and she was forty-nine and she had been married at nineteen.

When they first married he had been working in the fields all day, and she would get in the car and drive to wherever he was working, to take him a fresh hot meal.

Ballet flowered in Italy during the next hundred years, and about 1550 was carried to France when the Italian princess, Catherine De Medicis, married the King of France.

They were married at a lavish ceremony which was duly recorded in Parvenu and all other magazines and newspapers, and then they honeymooned in Bermuda.

Then there was the caterer's ad which read: `` are you getting married or having an affair??

This action was rationalized on the basis of a small survey which indicated that a high percentage of married freshmen women on our campus never become sophomores.

But the greater part of semester time was actually centered around the attitudes: `` So we are married -- now how do we make the best of it ''??

Supplemental outside reading reports were handled just as in the other sections, the major difference being that there was a noticeably deeper level in the reported outside reading by the married group.

He was a Londoner, married, with three sons.

After he had been away from home about a year he wrote: `` ( dear Wife ) if I did not write and receive letters from you I believe that I would forgit that I was married.

The morning he walked in to announce to her, blushing, that he was married.

She was married to him for better or for worse.

The couple was married Aug. 2, 1913.

Miss Joan Frances Baker, a graduate of SMU, was married Saturday to Elvis Leonard Mason, an honor graduate of Lamar State College of Technology, in the chapel of the First Presbyterian Church of Houston.

Miss Shirley Joan Meredith, a former student of North Texas State University, was married Saturday to Larry W. Mills, who has attended Arlington State College.

I had also thought a lot about how God must look on true love, and so in a way I was keeping my promise to God, my promise to remain pure until I was married.