Louis Zimmer was an astronomer and clockmaker to the King of Belgium. Most notably in 1930 he built the Jubilee (or Centenary) Clock, which is displayed on the front of the Zimmer tower

Zimmer tower

The Zimmer tower is a tower in Lier, Belgium, also known as the Cornelius tower, that was originally a keep of Lier's fourteenth century city fortifications...

. The Zimmer tower is a tower

Tower

A tower is a tall structure, usually taller than it is wide, often by a significant margin. Towers are distinguished from masts by their lack of guy-wires....

 in Lier, Belgium

Lier, Belgium

Lier is a municipality located in the Belgian province of Antwerp. The municipality comprises the city of Lier proper and the village of Koningshooikt. On January 1, 2010 Lier had a total population of 33,930. The total area is 49.70 km² which gives a population density of 669 inhabitants per...

, also known as the Cornelius tower, that was originally a keep

Keep

A keep is a type of fortified tower built within castles during the Middle Ages by European nobility. Scholars have debated the scope of the word keep, but usually consider it to refer to large towers in castles that were fortified residences, used as a refuge of last resort should the rest of the...

 of Lier's fourteenth century city fortifications. In the museum near the tower in addition to many of Zimmer's other clock is the huge clock he constructed for the 1935 Brussels International Exposition

Brussels International Exposition (1935)

The Brussels International Exposition of 1935 was held in Heysel Park, Brussels, Belgium from April 27 through November 6, 1935....

. This is the clock was sent to the United States for the 1939 New York World's Fair

1939 New York World's Fair

The 1939–40 New York World's Fair, which covered the of Flushing Meadows-Corona Park , was the second largest American world's fair of all time, exceeded only by St. Louis's Louisiana Purchase Exposition of 1904. Many countries around the world participated in it, and over 44 million people...

. In June 1970 he was proclaimed Honorary Citizen of Lier. The asteroid Zimmer (№ 3064)(1984 BB1)

3064 Zimmer

3064 Zimmer is a main-belt asteroid discovered on January 28, 1984 by E. Bowell at Flagstaff . It was named by its discover, at the suggestion of E. Goffin, after Louis Zimmer, the noted Belgian clockmaker and astronomer.- External links :*...

, was named after him in 1984.