This mid-19th-century oil painting by Danish-American artist Joachim Ferdinand Richardt (1819-1895) depicts a congregation observing a river baptism, probably in the Mississippi River.In 2009, at President Obama’s Inauguration luncheon, a panoramic view of Niagara was selected as the backdrop to his speech. It’s a breathtaking image, capturing the sublimity of the American Falls and the Horseshoe Falls in all their iconic majesty. The ‘Maid-of-the-Mist’, negotiates the rapids, a mere speck within a broad expanse of water. While beyond, a colossal sheet of spray is sharply illuminated through passing clouds.It was painted by the son of a bookbinder, a humble Danish artist who travelled extensively across the United States to document its nature, buildings and civilization. Admired in his own lifetime, this unassuming adventurer produced scores of resplendent vistas but also numerous vignettes documenting everyday activities.Joachim Ferdinand Richardt was initially destined t...