DAHLGREN, JOHN ADOLPH
\dˈɑːlɡɹən], \dˈɑːlɡɹən], \d_ˈɑː_l_ɡ_ɹ_ə_n]\
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(1809-1870), entered the U. S. navy at an early age. He became noted as the designer of the improved Dahlgren cannon. At the outbreak of the Civil War he was assigned to the command of the Navy Yard at Washington. He was naturally made chief of the ordnance bureau, was promoted to be rear-admiral, and commanded in the attack on the Charleston defences in 1863. His last important service was in co-operation with General Sherman, in the taking of Savannah, in 1864.
By John Franklin Jameson
Word of the day
Olivopontocerebellar Atrophies
- group inherited disorders which share progressive ataxia combination with atrophy CEREBELLUM; PONS; inferior olivary nuclei. Additional features include RIGIDITY; NYSTAGMUS; RETINAL DEGENERATION; MUSCLE SPASTICITY; DEMENTIA; URINARY INCONTINENCE; OPHTHALMOPLEGIA. familial has an earlier onset (second decade) and may feature spinal cord atrophy. sporadic form tends to present in the fifth or sixth decade, is considered a clinical subtype MULTIPLE SYSTEM ATROPHY. (From Adams et al., Principles of Neurology, 6th ed, p1085)