Born at Shellsburg, Pennsylvania, on the 1st of October, 1834. He was a graduate of Jefferson College and studied medicine. But in 1853 he decided upon the study of law and at Iowa City entered the law office of his brother. For a time he had editorial charge of the Iowa City Republican in the campaign which resulted in the election of James W. Grimes for Governor. This was the first defeat of a Democratic State ticket. In 1859 Mr. Clark was elected to the House of the Eighth General Assembly on the Republican ticket. He took high rank as a legislator, was reelected in 1861 and chosen Speaker of the House in 1862. In 1875 he was again elected to the House, and in 1876 was elected to Congress. He was reelected at the expiration of his first term and died during the first session of the next Congress, in 1879.

Born at Shellsburg, Pennsylvania, on the 1st of October, 1834. He was a graduate of Jefferson College and studied medicine. But in 1853 he decided upon the study of law and at Iowa City entered the law office of his brother. For a time he had editorial charge of the Iowa City Republican in the campaign which resulted in the election of James W. Grimes for Governor. This was the first defeat of a Democratic State ticket. In 1859 Mr. Clark was elected to the House of the Eighth General Assembly on the Republican ticket. He took high rank as a legislator, was reelected in 1861 and chosen Speaker of the House in 1862. In 1875 he was again elected to the House, and in 1876 was elected to Congress. He was reelected at the expiration of his first term and died during the first session of the next Congress, in 1879.

Born at Shellsburg, Pennsylvania, on the 1st of October, 1834. He was a graduate of Jefferson College and studied medicine. But in 1853 he decided upon the study of law and at Iowa City entered the law office of his brother. For a time he had editorial charge of the Iowa City Republican in the campaign which resulted in the election of James W. Grimes for Governor. This was the first defeat of a Democratic State ticket. In 1859 Mr. Clark was elected to the House of the Eighth General Assembly on the Republican ticket. He took high rank as a legislator, was reelected in 1861 and chosen Speaker of the House in 1862. In 1875 he was again elected to the House, and in 1876 was elected to Congress. He was reelected at the expiration of his first term and died during the first session of the next Congress, in 1879.