Fritz Albert Erich "Ete" Rademacher (9 June 1901 – 2 April 1979)[1] was a German breaststroke swimmer and water polo goalkeeper who competed at the 1928 and 1932 Olympics.

Dezember des Jahres Ihrem Antrag entsprochen und Ihren Sohn Erich in die Jugend-Abteilung unseres Clubs aufgenommen hat.

The letter went on to say: "Wir heißen Ihren Sohn herzlich willkommen, bitten Sie aber, um den in unseren Aufnahmebedingungen übernommenen Verpflichtungen nach besten Kräften gerecht werden zu können, ihn in seinem und unserem Interesse zum regelmäßigen Besuch unserer Übungsabende anhalten zu wollen.

",[8] which very roughly translates to "We warmly welcome your son, but ask you to do justice to the obligations made in our reception conditions to the best of his ability to ensure that he wants to attend our evening practices regularly."

Finally, at the 1931 European Championships in Paris, he took home a silver medal with his team in water polo.

[2][10] By the 1928 Amsterdam Olympics, Rademacher was heavy favorite to win the gold medal in the men's 200 metres breaststroke event, as he held the world record of 2:48.

[4] This was followed 4 years later at the 1932 Los Angeles olympics, where Germany won silver in the men's water polo event, with Rademacher in goal.

[2] By the end of his career, Rademacher had represented Germany in 42 international water polo matches,[2] and had 1,012 first place finishes.

[9] Rademacher is considered one of the first people to use the overarm recovery for breaststroke, which was named the "flying fish", and would later be used for the arms part of the butterfly stroke.