[3] While still a young man, his rise through the military ranks was set back and almost destroyed in an incident with a prostitute while he was on guard duty on the island of Holmen off Copenhagen.

[2] It was during this three-year mission that he first met — on friendly terms — his future foe Nelson, then a captain aboard HMS Boreas.

[2][5] By 1801, Fischer had risen to the rank of commodore and was appointed to lead the critical naval defense of Copenhagen during the French Revolutionary Wars.

[12] The vessel took part in the coronation celebrations of King George V in June 1911, representing Denmark at the naval ceremonies in Spithead.

[16] Fischer is commemorated in the composition The Hope by Frederik Magle which was commissioned by the Admiral Danish Fleet and the Reformed Church in Copenhagen.