Question: Who drafted the compromise which followed the admission of California as a state?

full_context: Document 1: Missouri Compromise: The Missouri Compromise is the title generally attached to the legislation passed by the 16th United States Congress on May 8, 1820. The measures provided for the admission of Maine as a state along with Missouri as a slave state, thus maintaining the balance of power between North and South. As part of the compromise, slavery was prohibited North of the 36°30′ parallel, excluding Missouri. President James Monroe signed the legislation on April 6, 1820.
Document 2: Fugitive Slave Law Convention: The Fugitive Slave Law Convention was held in Cazenovia, New York, August 21-22, 1850. Organized to oppose passage of the Fugitive Slave Act of 1850 by the United States Congress, participants included Frederick Douglass, the Edmonson sisters, Gerrit Smith, Samuel Joseph May, and Theodore Dwight Weld, among others. The convention opened at the First Congregational Church of Cazenovia (now Cazenovia College's theater building), then moved to "the orchard of Grace Wilson's School, located on Sullivan Street," to accommodate the estimated 2000 to 3000 participants. It was chaired by Douglass.
Document 3: History of California before 1900: Human history in California begins with indigenous Americans first arriving in California some 13,000–15,000 years ago. Exploration and settlement by Europeans along the coasts and in the inland valleys began in the 16th century. California was acquired by the United States under the terms of the 1848 Treaty of Guadalupe Hidalgo following the defeat of Mexico in the Mexican–American War. American westward expansion intensified with the California Gold Rush, beginning in 1849. California joined the Union as a free state in 1850, due to the Compromise of 1850. By the end of the 19th century, California was still largely rural and agricultural, but had a population of about 1.4 million.
Document 4: Compromise of 1850: The Compromise of 1850 was a package of five separate bills passed by the United States Congress in September 1850, which defused a four-year political confrontation between slave and free states on the status of territories acquired during the Mexican–American War (1846–1848). The compromise, drafted by Whig Senator Henry Clay of Kentucky and brokered by Clay and Democratic Senator Stephen Douglas of Illinois, reduced sectional conflict. Controversy arose over the Fugitive Slave provision. The Compromise was greeted with relief, but each side disliked some of its specific provisions:
Document 5: Public Land Commission: The Public Land Commission, a former agency of the United States government, was created following the admission of California as a state in 1850 (part of the Compromise of 1850). The Commission's purpose was to determine the validity of prior Spanish and Mexican land grants in California.
Document 6: Freeport Doctrine: The Freeport Doctrine was articulated by Stephen A. Douglas at the second of the Lincoln-Douglas debates on August 27, 1858, in Freeport, Illinois. Former one-term U.S. Representative Abraham Lincoln was campaigning to take Douglas' U.S. Senate seat by strongly opposing all attempts to expand the geographic area in which slavery was practiced. Lincoln tried to force Douglas to choose between the principle of popular sovereignty proposed by the Kansas-Nebraska Act (which left the fate of slavery in a U.S. territory up to its inhabitants), and the majority decision of the United States Supreme Court in the case of "Dred Scott v. Sandford", which stated that slavery could not legally be excluded from U.S. territories (since Douglas professed great respect for Supreme Court decisions, and accused the Republicans of disrespecting the court, yet this aspect of the "Dred Scott" decision was contrary to Douglas' views and politically unpopular in Illinois). Instead of making a direct choice, Douglas' response stated that despite the court's ruling, slavery could be prevented from any territory by the refusal of the people living in that territory to pass laws favorable to slavery. Likewise, if the people of the territory supported slavery, legislation would provide for its continued existence.
Document 7: Botiller v. Dominguez: Botiller v. Dominguez, 130 U.S. 238 (1889), was a decision by the United States Supreme Court dealing with the validity of Spanish or Mexican land grants in the Mexican Cession, the region of the present day southwestern United States that was ceded to the U.S. by Mexico in 1848 under the Treaty of Guadalupe Hidalgo.
Document 8: List of Commissioners of the General Land Office: The General Land Office was an independent agency of the United States government responsible for public domain lands in the United States. It was created in 1812, and it merged with the United States Grazing Service in 1946 to become the Bureau of Land Management. The official in charge of the agency was called the Commissioner of the General Land Office, appointed by the President and confirmed by the Senate.
Document 9: California Admission Day: California Admission Day is a legal holiday in the state of California in the United States. It is celebrated as a day of observance annually on September 9 to commemorate the anniversary of the 1850 admission of California into the Union as the thirty-first state.
Document 10: Politics of California before 1900: The short-lived declaration of an independent California Republic in 1846 was followed 25 days later by the onset of the Mexican-American War. After the resulting conquest of Alta California by United States military forces and American volunteers, California was administered by the U.S. military from 1846 to 1850. Local government continued to be run by "alcaldes" (mayors) in most places, as they had been under Mexican control; but now some were Americans.
Document 11: Slave states and free states: In the history of the United States of America, a slave state was a U.S. state in which the practice of slavery was legal, and a free state was one in which slavery was prohibited or being legally phased out. Historically, all the British colonies had practiced slavery. The division between slave and free states began during the American Revolution (1775–1783). Slavery became a divisive issue and was the primary cause of the American Civil War. The Thirteenth Amendment to the United States Constitution, ratified in 1865, abolished slavery throughout the United States, and the distinction between free and slave states ended.
Document 12: California Gold Rush: The California Gold Rush (1848–1855) began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California. The news of gold brought some 300,000 people to California from the rest of the United States and abroad. The sudden influx of immigration and gold into the money supply reinvigorated the American economy, and California became one of the few American states to go directly to statehood without first being a territory, in the Compromise of 1850. The Gold Rush initiated the California Genocide, with 100,000 Native Californians dying between 1848 and 1868. By the time it ended, California had gone from a thinly populated ex-Mexican territory to the home state of the first nominee for the Republican Party.
Document 13: California Republic: The California Republic was an unrecognized breakaway state that, for twenty-five days in 1846, militarily controlled the area to the north of the San Francisco Bay in the present-day state of California.
Document 14: Crittenden Compromise: The Crittenden Compromise was an unsuccessful proposal introduced by United States Senator John J. Crittenden (Constitutional Unionist of Kentucky) on December 18, 1860. It aimed to resolve the secession crisis of 1860–1861 by addressing the fears and grievances about slavery that led many slave-holding states to contemplate secession from the United States.
Document 15: Wheeler Compromise: The Wheeler Compromise, sometimes known as the Wheeler Adjustment, was the settlement of the disputed gubernatorial election of 1872 in the US state of Louisiana, and negotiation to organize the state's legislature in January 1875. It was negotiated by, and named after, William A. Wheeler, Congressman from New York and a member of the US House Committee on Southern Affairs. He later was elected as Vice President of the United States.
ground_truth: Henry Clay